225416920

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{49871}}^1$

素因数の和:49995

約数の個数: 32

約数和(自身を含む): 511686720

約数和(自身を除く): 286269800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 49871, 99742, 199484, 249355, 398968, 498710, 997420, 1994840, 5635423, 11270846, 22541692, 28177115, 45083384, 56354230, 112708460, 225416920]

約数ペア:

[(1, 225416920), (2, 112708460), (4, 56354230), (5, 45083384), (8, 28177115), (10, 22541692), (20, 11270846), (40, 5635423), (113, 1994840), (226, 997420), (452, 498710), (565, 398968), (904, 249355), (1130, 199484), (2260, 99742), (4520, 49871)]