9987560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22699}}^1$

素因数の和:22721

約数の個数: 32

約数和(自身を含む): 24516000

約数和(自身を除く): 14528440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 22699, 45398, 90796, 113495, 181592, 226990, 249689, 453980, 499378, 907960, 998756, 1248445, 1997512, 2496890, 4993780, 9987560]

約数ペア:

[(1, 9987560), (2, 4993780), (4, 2496890), (5, 1997512), (8, 1248445), (10, 998756), (11, 907960), (20, 499378), (22, 453980), (40, 249689), (44, 226990), (55, 181592), (88, 113495), (110, 90796), (220, 45398), (440, 22699)]