87569420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{141241}}^1$

素因数の和:141281

約数の個数: 24

約数和(自身を含む): 189829248

約数和(自身を除く): 102259828

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 141241, 282482, 564964, 706205, 1412410, 2824820, 4378471, 8756942, 17513884, 21892355, 43784710, 87569420]

約数ペア:

[(1, 87569420), (2, 43784710), (4, 21892355), (5, 17513884), (10, 8756942), (20, 4378471), (31, 2824820), (62, 1412410), (124, 706205), (155, 564964), (310, 282482), (620, 141241)]