90477040

素因数分解:

$2^4\times 5^1\times {\mathrm{1130963}}^1$

素因数の和:1130976

約数の個数: 20

約数和(自身を含む): 210359304

約数和(自身を除く): 119882264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1130963, 2261926, 4523852, 5654815, 9047704, 11309630, 18095408, 22619260, 45238520, 90477040]

約数ペア:

[(1, 90477040), (2, 45238520), (4, 22619260), (5, 18095408), (8, 11309630), (10, 9047704), (16, 5654815), (20, 4523852), (40, 2261926), (80, 1130963)]