20040850

素因数分解:

$2^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{2459}}^1$

素因数の和:2634

約数の個数: 24

約数和(自身を含む): 37519920

約数和(自身を除く): 17479070

約数列:

[1, 2, 5, 10, 25, 50, 163, 326, 815, 1630, 2459, 4075, 4918, 8150, 12295, 24590, 61475, 122950, 400817, 801634, 2004085, 4008170, 10020425, 20040850]

約数ペア:

[(1, 20040850), (2, 10020425), (5, 4008170), (10, 2004085), (25, 801634), (50, 400817), (163, 122950), (326, 61475), (815, 24590), (1630, 12295), (2459, 8150), (4075, 4918)]