2890520

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{569}}^1$

素因数の和:707

約数の個数: 32

約数和(自身を含む): 6566400

約数和(自身を除く): 3675880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 569, 635, 1016, 1138, 1270, 2276, 2540, 2845, 4552, 5080, 5690, 11380, 22760, 72263, 144526, 289052, 361315, 578104, 722630, 1445260, 2890520]

約数ペア:

[(1, 2890520), (2, 1445260), (4, 722630), (5, 578104), (8, 361315), (10, 289052), (20, 144526), (40, 72263), (127, 22760), (254, 11380), (508, 5690), (569, 5080), (635, 4552), (1016, 2845), (1138, 2540), (1270, 2276)]