11681420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 25740288

約数和(自身を除く): 14058868

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 155, 166, 227, 310, 332, 415, 454, 620, 830, 908, 1135, 1660, 2270, 2573, 4540, 5146, 7037, 10292, 12865, 14074, 18841, 25730, 28148, 35185, 37682, 51460, 70370, 75364, 94205, 140740, 188410, 376820, 584071, 1168142, 2336284, 2920355, 5840710, 11681420]

約数ペア:

[(1, 11681420), (2, 5840710), (4, 2920355), (5, 2336284), (10, 1168142), (20, 584071), (31, 376820), (62, 188410), (83, 140740), (124, 94205), (155, 75364), (166, 70370), (227, 51460), (310, 37682), (332, 35185), (415, 28148), (454, 25730), (620, 18841), (830, 14074), (908, 12865), (1135, 10292), (1660, 7037), (2270, 5146), (2573, 4540)]