71161640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{161731}}^1$

素因数の和:161753

約数の個数: 32

約数和(自身を含む): 174670560

約数和(自身を除く): 103508920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 161731, 323462, 646924, 808655, 1293848, 1617310, 1779041, 3234620, 3558082, 6469240, 7116164, 8895205, 14232328, 17790410, 35580820, 71161640]

約数ペア:

[(1, 71161640), (2, 35580820), (4, 17790410), (5, 14232328), (8, 8895205), (10, 7116164), (11, 6469240), (20, 3558082), (22, 3234620), (40, 1779041), (44, 1617310), (55, 1293848), (88, 808655), (110, 646924), (220, 323462), (440, 161731)]