40204900

素因数分解:

$2^2\times 5^2\times {\mathrm{402049}}^1$

素因数の和:402063

約数の個数: 18

約数和(自身を含む): 87244850

約数和(自身を除く): 47039950

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 402049, 804098, 1608196, 2010245, 4020490, 8040980, 10051225, 20102450, 40204900]

約数ペア:

[(1, 40204900), (2, 20102450), (4, 10051225), (5, 8040980), (10, 4020490), (20, 2010245), (25, 1608196), (50, 804098), (100, 402049)]