81310370

素因数分解:

$2^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{75991}}^1$

素因数の和:76105

約数の個数: 16

約数和(自身を含む): 147728448

約数和(自身を除く): 66418078

約数列:

[1, 2, 5, 10, 107, 214, 535, 1070, 75991, 151982, 379955, 759910, 8131037, 16262074, 40655185, 81310370]

約数ペア:

[(1, 81310370), (2, 40655185), (5, 16262074), (10, 8131037), (107, 759910), (214, 379955), (535, 151982), (1070, 75991)]