61908880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{70351}}^1$

素因数の和:70375

約数の個数: 40

約数和(自身を含む): 157025664

約数和(自身を除く): 95116784

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 70351, 140702, 281404, 351755, 562808, 703510, 773861, 1125616, 1407020, 1547722, 2814040, 3095444, 3869305, 5628080, 6190888, 7738610, 12381776, 15477220, 30954440, 61908880]

約数ペア:

[(1, 61908880), (2, 30954440), (4, 15477220), (5, 12381776), (8, 7738610), (10, 6190888), (11, 5628080), (16, 3869305), (20, 3095444), (22, 2814040), (40, 1547722), (44, 1407020), (55, 1125616), (80, 773861), (88, 703510), (110, 562808), (176, 351755), (220, 281404), (440, 140702), (880, 70351)]