31189771010

素因数分解:

$2^1\times 5^1\times {\mathrm{39971}}^1\times {\mathrm{78031}}^1$

素因数の和:118009

約数の個数: 16

約数和(自身を含む): 56143711872

約数和(自身を除く): 24953940862

約数列:

[1, 2, 5, 10, 39971, 78031, 79942, 156062, 199855, 390155, 399710, 780310, 3118977101, 6237954202, 15594885505, 31189771010]

約数ペア:

[(1, 31189771010), (2, 15594885505), (5, 6237954202), (10, 3118977101), (39971, 780310), (78031, 399710), (79942, 390155), (156062, 199855)]