55856740

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{4357}}^1$

素因数の和:5007

約数の個数: 24

約数和(自身を含む): 117509112

約数和(自身を除く): 61652372

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 4357, 6410, 8714, 12820, 17428, 21785, 43570, 87140, 2792837, 5585674, 11171348, 13964185, 27928370, 55856740]

約数ペア:

[(1, 55856740), (2, 27928370), (4, 13964185), (5, 11171348), (10, 5585674), (20, 2792837), (641, 87140), (1282, 43570), (2564, 21785), (3205, 17428), (4357, 12820), (6410, 8714)]