2100165730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{40693}}^1$

素因数の和:41110

約数の個数: 32

約数和(自身を含む): 4081445424

約数和(自身を除く): 1981279694

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 397, 794, 1985, 3970, 5161, 10322, 25805, 40693, 51610, 81386, 203465, 406930, 529009, 1058018, 2645045, 5290090, 16155121, 32310242, 80775605, 161551210, 210016573, 420033146, 1050082865, 2100165730]

約数ペア:

[(1, 2100165730), (2, 1050082865), (5, 420033146), (10, 210016573), (13, 161551210), (26, 80775605), (65, 32310242), (130, 16155121), (397, 5290090), (794, 2645045), (1985, 1058018), (3970, 529009), (5161, 406930), (10322, 203465), (25805, 81386), (40693, 51610)]