90241960

素因数分解:

$2^3\times 5^1\times {\mathrm{2256049}}^1$

素因数の和:2256060

約数の個数: 16

約数和(自身を含む): 203044500

約数和(自身を除く): 112802540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2256049, 4512098, 9024196, 11280245, 18048392, 22560490, 45120980, 90241960]

約数ペア:

[(1, 90241960), (2, 45120980), (4, 22560490), (5, 18048392), (8, 11280245), (10, 9024196), (20, 4512098), (40, 2256049)]