31861820

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{12161}}^1$

素因数の和:12301

約数の個数: 24

約数和(自身を含む): 67426128

約数和(自身を除く): 35564308

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 12161, 24322, 48644, 60805, 121610, 243220, 1593091, 3186182, 6372364, 7965455, 15930910, 31861820]

約数ペア:

[(1, 31861820), (2, 15930910), (4, 7965455), (5, 6372364), (10, 3186182), (20, 1593091), (131, 243220), (262, 121610), (524, 60805), (655, 48644), (1310, 24322), (2620, 12161)]