1640570056

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{89983}}^1$

素因数の和:90085

約数の個数: 32

約数和(自身を含む): 3207029760

約数和(自身を除く): 1566459704

約数列:

[1, 2, 4, 8, 43, 53, 86, 106, 172, 212, 344, 424, 2279, 4558, 9116, 18232, 89983, 179966, 359932, 719864, 3869269, 4769099, 7738538, 9538198, 15477076, 19076396, 30954152, 38152792, 205071257, 410142514, 820285028, 1640570056]

約数ペア:

[(1, 1640570056), (2, 820285028), (4, 410142514), (8, 205071257), (43, 38152792), (53, 30954152), (86, 19076396), (106, 15477076), (172, 9538198), (212, 7738538), (344, 4769099), (424, 3869269), (2279, 719864), (4558, 359932), (9116, 179966), (18232, 89983)]