90018370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{16889}}^1$

素因数の和:16950

約数の個数: 32

約数和(自身を含む): 178763760

約数和(自身を除く): 88745390

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 5330, 16889, 33778, 84445, 168890, 219557, 439114, 692449, 1097785, 1384898, 2195570, 3462245, 6924490, 9001837, 18003674, 45009185, 90018370]

約数ペア:

[(1, 90018370), (2, 45009185), (5, 18003674), (10, 9001837), (13, 6924490), (26, 3462245), (41, 2195570), (65, 1384898), (82, 1097785), (130, 692449), (205, 439114), (410, 219557), (533, 168890), (1066, 84445), (2665, 33778), (5330, 16889)]