80042950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{123143}}^1$

素因数の和:123168

約数の個数: 24

約数和(自身を含む): 160333488

約数和(自身を除く): 80290538

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 123143, 246286, 615715, 1231430, 1600859, 3078575, 3201718, 6157150, 8004295, 16008590, 40021475, 80042950]

約数ペア:

[(1, 80042950), (2, 40021475), (5, 16008590), (10, 8004295), (13, 6157150), (25, 3201718), (26, 3078575), (50, 1600859), (65, 1231430), (130, 615715), (325, 246286), (650, 123143)]