39900560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1657}}^1$

素因数の和:1720

約数の個数: 80

約数和(自身を含む): 108552576

約数和(自身を除く): 68652016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1204, 1505, 1657, 1720, 2408, 3010, 3314, 3440, 4816, 6020, 6628, 8285, 11599, 12040, 13256, 16570, 23198, 24080, 26512, 33140, 46396, 57995, 66280, 71251, 92792, 115990, 132560, 142502, 185584, 231980, 285004, 356255, 463960, 498757, 570008, 712510, 927920, 997514, 1140016, 1425020, 1995028, 2493785, 2850040, 3990056, 4987570, 5700080, 7980112, 9975140, 19950280, 39900560]

約数ペア:

[(1, 39900560), (2, 19950280), (4, 9975140), (5, 7980112), (7, 5700080), (8, 4987570), (10, 3990056), (14, 2850040), (16, 2493785), (20, 1995028), (28, 1425020), (35, 1140016), (40, 997514), (43, 927920), (56, 712510), (70, 570008), (80, 498757), (86, 463960), (112, 356255), (140, 285004), (172, 231980), (215, 185584), (280, 142502), (301, 132560), (344, 115990), (430, 92792), (560, 71251), (602, 66280), (688, 57995), (860, 46396), (1204, 33140), (1505, 26512), (1657, 24080), (1720, 23198), (2408, 16570), (3010, 13256), (3314, 12040), (3440, 11599), (4816, 8285), (6020, 6628)]