78116890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{190529}}^1$

素因数の和:190577

約数の個数: 16

約数和(自身を含む): 144040680

約数和(自身を除く): 65923790

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 190529, 381058, 952645, 1905290, 7811689, 15623378, 39058445, 78116890]

約数ペア:

[(1, 78116890), (2, 39058445), (5, 15623378), (10, 7811689), (41, 1905290), (82, 952645), (205, 381058), (410, 190529)]