3986901040

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{223481}}^1$

素因数の和:223717

約数の個数: 40

約数和(自身を含む): 9311154048

約数和(自身を除く): 5324253008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 8920, 17840, 223481, 446962, 893924, 1117405, 1787848, 2234810, 3575696, 4469620, 8939240, 17878480, 49836263, 99672526, 199345052, 249181315, 398690104, 498362630, 797380208, 996725260, 1993450520, 3986901040]

約数ペア:

[(1, 3986901040), (2, 1993450520), (4, 996725260), (5, 797380208), (8, 498362630), (10, 398690104), (16, 249181315), (20, 199345052), (40, 99672526), (80, 49836263), (223, 17878480), (446, 8939240), (892, 4469620), (1115, 3575696), (1784, 2234810), (2230, 1787848), (3568, 1117405), (4460, 893924), (8920, 446962), (17840, 223481)]