39895440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{673}}^1$

素因数の和:721

約数の個数: 160

約数和(自身を含む): 140407680

約数和(自身を除く): 100512240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 380, 390, 456, 494, 520, 570, 624, 673, 741, 760, 780, 912, 988, 1040, 1140, 1235, 1346, 1482, 1520, 1560, 1976, 2019, 2280, 2470, 2692, 2964, 3120, 3365, 3705, 3952, 4038, 4560, 4940, 5384, 5928, 6730, 7410, 8076, 8749, 9880, 10095, 10768, 11856, 12787, 13460, 14820, 16152, 17498, 19760, 20190, 25574, 26247, 26920, 29640, 32304, 34996, 38361, 40380, 43745, 51148, 52494, 53840, 59280, 63935, 69992, 76722, 80760, 87490, 102296, 104988, 127870, 131235, 139984, 153444, 161520, 166231, 174980, 191805, 204592, 209976, 255740, 262470, 306888, 332462, 349960, 383610, 419952, 498693, 511480, 524940, 613776, 664924, 699920, 767220, 831155, 997386, 1022960, 1049880, 1329848, 1534440, 1662310, 1994772, 2099760, 2493465, 2659696, 3068880, 3324620, 3989544, 4986930, 6649240, 7979088, 9973860, 13298480, 19947720, 39895440]

約数ペア:

[(1, 39895440), (2, 19947720), (3, 13298480), (4, 9973860), (5, 7979088), (6, 6649240), (8, 4986930), (10, 3989544), (12, 3324620), (13, 3068880), (15, 2659696), (16, 2493465), (19, 2099760), (20, 1994772), (24, 1662310), (26, 1534440), (30, 1329848), (38, 1049880), (39, 1022960), (40, 997386), (48, 831155), (52, 767220), (57, 699920), (60, 664924), (65, 613776), (76, 524940), (78, 511480), (80, 498693), (95, 419952), (104, 383610), (114, 349960), (120, 332462), (130, 306888), (152, 262470), (156, 255740), (190, 209976), (195, 204592), (208, 191805), (228, 174980), (240, 166231), (247, 161520), (260, 153444), (285, 139984), (304, 131235), (312, 127870), (380, 104988), (390, 102296), (456, 87490), (494, 80760), (520, 76722), (570, 69992), (624, 63935), (673, 59280), (741, 53840), (760, 52494), (780, 51148), (912, 43745), (988, 40380), (1040, 38361), (1140, 34996), (1235, 32304), (1346, 29640), (1482, 26920), (1520, 26247), (1560, 25574), (1976, 20190), (2019, 19760), (2280, 17498), (2470, 16152), (2692, 14820), (2964, 13460), (3120, 12787), (3365, 11856), (3705, 10768), (3952, 10095), (4038, 9880), (4560, 8749), (4940, 8076), (5384, 7410), (5928, 6730)]