25311820

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{9661}}^1$

素因数の和:9801

約数の個数: 24

約数和(自身を含む): 53566128

約数和(自身を除く): 28254308

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 9661, 19322, 38644, 48305, 96610, 193220, 1265591, 2531182, 5062364, 6327955, 12655910, 25311820]

約数ペア:

[(1, 25311820), (2, 12655910), (4, 6327955), (5, 5062364), (10, 2531182), (20, 1265591), (131, 193220), (262, 96610), (524, 48305), (655, 38644), (1310, 19322), (2620, 9661)]