55142860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{38833}}^1$

素因数の和:38913

約数の個数: 24

約数和(自身を含む): 117434016

約数和(自身を除く): 62291156

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 38833, 77666, 155332, 194165, 388330, 776660, 2757143, 5514286, 11028572, 13785715, 27571430, 55142860]

約数ペア:

[(1, 55142860), (2, 27571430), (4, 13785715), (5, 11028572), (10, 5514286), (20, 2757143), (71, 776660), (142, 388330), (284, 194165), (355, 155332), (710, 77666), (1420, 38833)]