65772760

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{8609}}^1$

素因数の和:8811

約数の個数: 32

約数和(自身を含む): 148780800

約数和(自身を除く): 83008040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 8609, 17218, 34436, 43045, 68872, 86090, 172180, 344360, 1644319, 3288638, 6577276, 8221595, 13154552, 16443190, 32886380, 65772760]

約数ペア:

[(1, 65772760), (2, 32886380), (4, 16443190), (5, 13154552), (8, 8221595), (10, 6577276), (20, 3288638), (40, 1644319), (191, 344360), (382, 172180), (764, 86090), (955, 68872), (1528, 43045), (1910, 34436), (3820, 17218), (7640, 8609)]