31373320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{631}}^1$

素因数の和:766

約数の個数: 64

約数和(自身を含む): 77811840

約数和(自身を除く): 46438520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 113, 220, 226, 440, 452, 565, 631, 904, 1130, 1243, 1262, 2260, 2486, 2524, 3155, 4520, 4972, 5048, 6215, 6310, 6941, 9944, 12430, 12620, 13882, 24860, 25240, 27764, 34705, 49720, 55528, 69410, 71303, 138820, 142606, 277640, 285212, 356515, 570424, 713030, 784333, 1426060, 1568666, 2852120, 3137332, 3921665, 6274664, 7843330, 15686660, 31373320]

約数ペア:

[(1, 31373320), (2, 15686660), (4, 7843330), (5, 6274664), (8, 3921665), (10, 3137332), (11, 2852120), (20, 1568666), (22, 1426060), (40, 784333), (44, 713030), (55, 570424), (88, 356515), (110, 285212), (113, 277640), (220, 142606), (226, 138820), (440, 71303), (452, 69410), (565, 55528), (631, 49720), (904, 34705), (1130, 27764), (1243, 25240), (1262, 24860), (2260, 13882), (2486, 12620), (2524, 12430), (3155, 9944), (4520, 6941), (4972, 6310), (5048, 6215)]