57401240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{661}}^1$

素因数の和:852

約数の個数: 64

約数和(自身を含む): 140132160

約数和(自身を除く): 82730920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 167, 260, 334, 520, 661, 668, 835, 1322, 1336, 1670, 2171, 2644, 3305, 3340, 4342, 5288, 6610, 6680, 8593, 8684, 10855, 13220, 17186, 17368, 21710, 26440, 34372, 42965, 43420, 68744, 85930, 86840, 110387, 171860, 220774, 343720, 441548, 551935, 883096, 1103870, 1435031, 2207740, 2870062, 4415480, 5740124, 7175155, 11480248, 14350310, 28700620, 57401240]

約数ペア:

[(1, 57401240), (2, 28700620), (4, 14350310), (5, 11480248), (8, 7175155), (10, 5740124), (13, 4415480), (20, 2870062), (26, 2207740), (40, 1435031), (52, 1103870), (65, 883096), (104, 551935), (130, 441548), (167, 343720), (260, 220774), (334, 171860), (520, 110387), (661, 86840), (668, 85930), (835, 68744), (1322, 43420), (1336, 42965), (1670, 34372), (2171, 26440), (2644, 21710), (3305, 17368), (3340, 17186), (4342, 13220), (5288, 10855), (6610, 8684), (6680, 8593)]