49664480

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:113

約数の個数: 144

約数和(自身を含む): 135127440

約数和(自身を除く): 85462960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 31, 32, 34, 38, 40, 62, 68, 76, 80, 85, 95, 124, 136, 152, 155, 160, 170, 190, 248, 272, 304, 310, 323, 340, 380, 496, 527, 544, 589, 608, 620, 646, 680, 760, 961, 992, 1054, 1178, 1240, 1292, 1360, 1520, 1615, 1922, 2108, 2356, 2480, 2584, 2635, 2720, 2945, 3040, 3230, 3844, 4216, 4712, 4805, 4960, 5168, 5270, 5890, 6460, 7688, 8432, 9424, 9610, 10013, 10336, 10540, 11780, 12920, 15376, 16337, 16864, 18259, 18848, 19220, 20026, 21080, 23560, 25840, 30752, 32674, 36518, 38440, 40052, 42160, 47120, 50065, 51680, 65348, 73036, 76880, 80104, 81685, 84320, 91295, 94240, 100130, 130696, 146072, 153760, 160208, 163370, 182590, 200260, 261392, 292144, 310403, 320416, 326740, 365180, 400520, 522784, 584288, 620806, 653480, 730360, 801040, 1241612, 1306960, 1460720, 1552015, 1602080, 2483224, 2613920, 2921440, 3104030, 4966448, 6208060, 9932896, 12416120, 24832240, 49664480]

約数ペア:

[(1, 49664480), (2, 24832240), (4, 12416120), (5, 9932896), (8, 6208060), (10, 4966448), (16, 3104030), (17, 2921440), (19, 2613920), (20, 2483224), (31, 1602080), (32, 1552015), (34, 1460720), (38, 1306960), (40, 1241612), (62, 801040), (68, 730360), (76, 653480), (80, 620806), (85, 584288), (95, 522784), (124, 400520), (136, 365180), (152, 326740), (155, 320416), (160, 310403), (170, 292144), (190, 261392), (248, 200260), (272, 182590), (304, 163370), (310, 160208), (323, 153760), (340, 146072), (380, 130696), (496, 100130), (527, 94240), (544, 91295), (589, 84320), (608, 81685), (620, 80104), (646, 76880), (680, 73036), (760, 65348), (961, 51680), (992, 50065), (1054, 47120), (1178, 42160), (1240, 40052), (1292, 38440), (1360, 36518), (1520, 32674), (1615, 30752), (1922, 25840), (2108, 23560), (2356, 21080), (2480, 20026), (2584, 19220), (2635, 18848), (2720, 18259), (2945, 16864), (3040, 16337), (3230, 15376), (3844, 12920), (4216, 11780), (4712, 10540), (4805, 10336), (4960, 10013), (5168, 9610), (5270, 9424), (5890, 8432), (6460, 7688)]