25494620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31091}}^1$

素因数の和:31141

約数の個数: 24

約数和(自身を含む): 54846288

約数和(自身を除く): 29351668

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 31091, 62182, 124364, 155455, 310910, 621820, 1274731, 2549462, 5098924, 6373655, 12747310, 25494620]

約数ペア:

[(1, 25494620), (2, 12747310), (4, 6373655), (5, 5098924), (10, 2549462), (20, 1274731), (41, 621820), (82, 310910), (164, 155455), (205, 124364), (410, 62182), (820, 31091)]