21760625

素因数分解:

$5^4\times {\mathrm{37}}^1\times {\mathrm{941}}^1$

素因数の和:998

約数の個数: 20

約数和(自身を含む): 27956676

約数和(自身を除く): 6196051

約数列:

[1, 5, 25, 37, 125, 185, 625, 925, 941, 4625, 4705, 23125, 23525, 34817, 117625, 174085, 588125, 870425, 4352125, 21760625]

約数ペア:

[(1, 21760625), (5, 4352125), (25, 870425), (37, 588125), (125, 174085), (185, 117625), (625, 34817), (925, 23525), (941, 23125), (4625, 4705)]