489762580

素因数分解:

$2^2\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{20023}}^1$

素因数の和:21255

約数の個数: 24

約数和(自身を含む): 1029393792

約数和(自身を除く): 539631212

約数列:

[1, 2, 4, 5, 10, 20, 1223, 2446, 4892, 6115, 12230, 20023, 24460, 40046, 80092, 100115, 200230, 400460, 24488129, 48976258, 97952516, 122440645, 244881290, 489762580]

約数ペア:

[(1, 489762580), (2, 244881290), (4, 122440645), (5, 97952516), (10, 48976258), (20, 24488129), (1223, 400460), (2446, 200230), (4892, 100115), (6115, 80092), (12230, 40046), (20023, 24460)]