25273480

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{2281}}^1$

素因数の和:2569

約数の個数: 32

約数和(自身を含む): 57095640

約数和(自身を除く): 31822160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2281, 2770, 4562, 5540, 9124, 11080, 11405, 18248, 22810, 45620, 91240, 631837, 1263674, 2527348, 3159185, 5054696, 6318370, 12636740, 25273480]

約数ペア:

[(1, 25273480), (2, 12636740), (4, 6318370), (5, 5054696), (8, 3159185), (10, 2527348), (20, 1263674), (40, 631837), (277, 91240), (554, 45620), (1108, 22810), (1385, 18248), (2216, 11405), (2281, 11080), (2770, 9124), (4562, 5540)]