12961482910

素因数分解:

$2^1\times 5^1\times {\mathrm{20509}}^1\times {\mathrm{63199}}^1$

素因数の和:83715

約数の個数: 16

約数和(自身を含む): 23332176000

約数和(自身を除く): 10370693090

約数列:

[1, 2, 5, 10, 20509, 41018, 63199, 102545, 126398, 205090, 315995, 631990, 1296148291, 2592296582, 6480741455, 12961482910]

約数ペア:

[(1, 12961482910), (2, 6480741455), (5, 2592296582), (10, 1296148291), (20509, 631990), (41018, 315995), (63199, 205090), (102545, 126398)]