4003870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1621}}^1$

素因数の和:1660

約数の個数: 32

約数和(自身を含む): 8174880

約数和(自身を除く): 4171010

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 1621, 2470, 3242, 8105, 16210, 21073, 30799, 42146, 61598, 105365, 153995, 210730, 307990, 400387, 800774, 2001935, 4003870]

約数ペア:

[(1, 4003870), (2, 2001935), (5, 800774), (10, 400387), (13, 307990), (19, 210730), (26, 153995), (38, 105365), (65, 61598), (95, 42146), (130, 30799), (190, 21073), (247, 16210), (494, 8105), (1235, 3242), (1621, 2470)]