8791400

素因数分解:

$2^3\times 5^2\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 20673900

約数和(自身を除く): 11882500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 113, 200, 226, 389, 452, 565, 778, 904, 1130, 1556, 1945, 2260, 2825, 3112, 3890, 4520, 5650, 7780, 9725, 11300, 15560, 19450, 22600, 38900, 43957, 77800, 87914, 175828, 219785, 351656, 439570, 879140, 1098925, 1758280, 2197850, 4395700, 8791400]

約数ペア:

[(1, 8791400), (2, 4395700), (4, 2197850), (5, 1758280), (8, 1098925), (10, 879140), (20, 439570), (25, 351656), (40, 219785), (50, 175828), (100, 87914), (113, 77800), (200, 43957), (226, 38900), (389, 22600), (452, 19450), (565, 15560), (778, 11300), (904, 9725), (1130, 7780), (1556, 5650), (1945, 4520), (2260, 3890), (2825, 3112)]