201025240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{386587}}^1$

素因数の和:386611

約数の個数: 32

約数和(自身を含む): 487100880

約数和(自身を除く): 286075640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 386587, 773174, 1546348, 1932935, 3092696, 3865870, 5025631, 7731740, 10051262, 15463480, 20102524, 25128155, 40205048, 50256310, 100512620, 201025240]

約数ペア:

[(1, 201025240), (2, 100512620), (4, 50256310), (5, 40205048), (8, 25128155), (10, 20102524), (13, 15463480), (20, 10051262), (26, 7731740), (40, 5025631), (52, 3865870), (65, 3092696), (104, 1932935), (130, 1546348), (260, 773174), (520, 386587)]