8490920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2687}}^1$

素因数の和:2777

約数の個数: 32

約数和(自身を含む): 19353600

約数和(自身を除く): 10862680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 2687, 3160, 5374, 10748, 13435, 21496, 26870, 53740, 107480, 212273, 424546, 849092, 1061365, 1698184, 2122730, 4245460, 8490920]

約数ペア:

[(1, 8490920), (2, 4245460), (4, 2122730), (5, 1698184), (8, 1061365), (10, 849092), (20, 424546), (40, 212273), (79, 107480), (158, 53740), (316, 26870), (395, 21496), (632, 13435), (790, 10748), (1580, 5374), (2687, 3160)]