69660625

素因数分解:

$5^4\times {\mathrm{227}}^1\times {\mathrm{491}}^1$

素因数の和:738

約数の個数: 20

約数和(自身を含む): 87609456

約数和(自身を除く): 17948831

約数列:

[1, 5, 25, 125, 227, 491, 625, 1135, 2455, 5675, 12275, 28375, 61375, 111457, 141875, 306875, 557285, 2786425, 13932125, 69660625]

約数ペア:

[(1, 69660625), (5, 13932125), (25, 2786425), (125, 557285), (227, 306875), (491, 141875), (625, 111457), (1135, 61375), (2455, 28375), (5675, 12275)]