15642220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{733}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 36253728

約数和(自身を除く): 20611508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 733, 970, 1067, 1466, 1940, 2134, 2932, 3665, 4268, 5335, 7330, 8063, 10670, 14660, 16126, 21340, 32252, 40315, 71101, 80630, 142202, 161260, 284404, 355505, 711010, 782111, 1422020, 1564222, 3128444, 3910555, 7821110, 15642220]

約数ペア:

[(1, 15642220), (2, 7821110), (4, 3910555), (5, 3128444), (10, 1564222), (11, 1422020), (20, 782111), (22, 711010), (44, 355505), (55, 284404), (97, 161260), (110, 142202), (194, 80630), (220, 71101), (388, 40315), (485, 32252), (733, 21340), (970, 16126), (1067, 14660), (1466, 10670), (1940, 8063), (2134, 7330), (2932, 5335), (3665, 4268)]