87128770

素因数分解:

$2^1\times 5^1\times {\mathrm{787}}^1\times {\mathrm{11071}}^1$

素因数の和:11865

約数の個数: 16

約数和(自身を含む): 157045248

約数和(自身を除く): 69916478

約数列:

[1, 2, 5, 10, 787, 1574, 3935, 7870, 11071, 22142, 55355, 110710, 8712877, 17425754, 43564385, 87128770]

約数ペア:

[(1, 87128770), (2, 43564385), (5, 17425754), (10, 8712877), (787, 110710), (1574, 55355), (3935, 22142), (7870, 11071)]