40161565

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{20543}}^1$

素因数の和:20588

約数の個数: 16

約数和(自身を含む): 53250048

約数和(自身を除く): 13088483

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 20543, 102715, 349231, 472489, 1746155, 2362445, 8032313, 40161565]

約数ペア:

[(1, 40161565), (5, 8032313), (17, 2362445), (23, 1746155), (85, 472489), (115, 349231), (391, 102715), (1955, 20543)]