39399920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:92

約数の個数: 180

約数和(自身を含む): 117258120

約数和(自身を除く): 77858200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 23, 28, 35, 38, 40, 46, 49, 56, 70, 76, 80, 92, 95, 98, 112, 115, 133, 140, 152, 161, 184, 190, 196, 230, 245, 266, 280, 304, 322, 368, 380, 392, 437, 460, 490, 529, 532, 560, 644, 665, 760, 784, 805, 874, 920, 931, 980, 1058, 1064, 1127, 1288, 1330, 1520, 1610, 1748, 1840, 1862, 1960, 2116, 2128, 2185, 2254, 2576, 2645, 2660, 3059, 3220, 3496, 3703, 3724, 3920, 4232, 4370, 4508, 4655, 5290, 5320, 5635, 6118, 6440, 6992, 7406, 7448, 8464, 8740, 9016, 9310, 10051, 10580, 10640, 11270, 12236, 12880, 14812, 14896, 15295, 17480, 18032, 18515, 18620, 20102, 21160, 21413, 22540, 24472, 25921, 29624, 30590, 34960, 37030, 37240, 40204, 42320, 42826, 45080, 48944, 50255, 51842, 59248, 61180, 70357, 74060, 74480, 80408, 85652, 90160, 100510, 103684, 107065, 122360, 129605, 140714, 148120, 160816, 171304, 201020, 207368, 214130, 244720, 259210, 281428, 296240, 342608, 351785, 402040, 414736, 428260, 492499, 518420, 562856, 703570, 804080, 856520, 984998, 1036840, 1125712, 1407140, 1713040, 1969996, 2073680, 2462495, 2814280, 3939992, 4924990, 5628560, 7879984, 9849980, 19699960, 39399920]

約数ペア:

[(1, 39399920), (2, 19699960), (4, 9849980), (5, 7879984), (7, 5628560), (8, 4924990), (10, 3939992), (14, 2814280), (16, 2462495), (19, 2073680), (20, 1969996), (23, 1713040), (28, 1407140), (35, 1125712), (38, 1036840), (40, 984998), (46, 856520), (49, 804080), (56, 703570), (70, 562856), (76, 518420), (80, 492499), (92, 428260), (95, 414736), (98, 402040), (112, 351785), (115, 342608), (133, 296240), (140, 281428), (152, 259210), (161, 244720), (184, 214130), (190, 207368), (196, 201020), (230, 171304), (245, 160816), (266, 148120), (280, 140714), (304, 129605), (322, 122360), (368, 107065), (380, 103684), (392, 100510), (437, 90160), (460, 85652), (490, 80408), (529, 74480), (532, 74060), (560, 70357), (644, 61180), (665, 59248), (760, 51842), (784, 50255), (805, 48944), (874, 45080), (920, 42826), (931, 42320), (980, 40204), (1058, 37240), (1064, 37030), (1127, 34960), (1288, 30590), (1330, 29624), (1520, 25921), (1610, 24472), (1748, 22540), (1840, 21413), (1862, 21160), (1960, 20102), (2116, 18620), (2128, 18515), (2185, 18032), (2254, 17480), (2576, 15295), (2645, 14896), (2660, 14812), (3059, 12880), (3220, 12236), (3496, 11270), (3703, 10640), (3724, 10580), (3920, 10051), (4232, 9310), (4370, 9016), (4508, 8740), (4655, 8464), (5290, 7448), (5320, 7406), (5635, 6992), (6118, 6440)]