86510140

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{27551}}^1$

素因数の和:27717

約数の個数: 24

約数和(自身を含む): 182835072

約数和(自身を除く): 96324932

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 27551, 55102, 110204, 137755, 275510, 551020, 4325507, 8651014, 17302028, 21627535, 43255070, 86510140]

約数ペア:

[(1, 86510140), (2, 43255070), (4, 21627535), (5, 17302028), (10, 8651014), (20, 4325507), (157, 551020), (314, 275510), (628, 137755), (785, 110204), (1570, 55102), (3140, 27551)]