864860

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 1841616

約数和(自身を除く): 976756

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 521, 830, 1042, 1660, 2084, 2605, 5210, 10420, 43243, 86486, 172972, 216215, 432430, 864860]

約数ペア:

[(1, 864860), (2, 432430), (4, 216215), (5, 172972), (10, 86486), (20, 43243), (83, 10420), (166, 5210), (332, 2605), (415, 2084), (521, 1660), (830, 1042)]