55321640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{125731}}^1$

素因数の和:125753

約数の個数: 32

約数和(自身を含む): 135790560

約数和(自身を除く): 80468920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 125731, 251462, 502924, 628655, 1005848, 1257310, 1383041, 2514620, 2766082, 5029240, 5532164, 6915205, 11064328, 13830410, 27660820, 55321640]

約数ペア:

[(1, 55321640), (2, 27660820), (4, 13830410), (5, 11064328), (8, 6915205), (10, 5532164), (11, 5029240), (20, 2766082), (22, 2514620), (40, 1383041), (44, 1257310), (55, 1005848), (88, 628655), (110, 502924), (220, 251462), (440, 125731)]