85608880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{21839}}^1$

素因数の和:21866

約数の個数: 60

約数和(自身を含む): 231547680

約数和(自身を除く): 145938800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 21839, 43678, 87356, 109195, 152873, 174712, 218390, 305746, 349424, 436780, 611492, 764365, 873560, 1070111, 1222984, 1528730, 1747120, 2140222, 2445968, 3057460, 4280444, 5350555, 6114920, 8560888, 10701110, 12229840, 17121776, 21402220, 42804440, 85608880]

約数ペア:

[(1, 85608880), (2, 42804440), (4, 21402220), (5, 17121776), (7, 12229840), (8, 10701110), (10, 8560888), (14, 6114920), (16, 5350555), (20, 4280444), (28, 3057460), (35, 2445968), (40, 2140222), (49, 1747120), (56, 1528730), (70, 1222984), (80, 1070111), (98, 873560), (112, 764365), (140, 611492), (196, 436780), (245, 349424), (280, 305746), (392, 218390), (490, 174712), (560, 152873), (784, 109195), (980, 87356), (1960, 43678), (3920, 21839)]