25769420

素因数分解:

$2^2\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{1181}}^1$

素因数の和:2281

約数の個数: 24

約数和(自身を含む): 54211248

約数和(自身を除く): 28441828

約数列:

[1, 2, 4, 5, 10, 20, 1091, 1181, 2182, 2362, 4364, 4724, 5455, 5905, 10910, 11810, 21820, 23620, 1288471, 2576942, 5153884, 6442355, 12884710, 25769420]

約数ペア:

[(1, 25769420), (2, 12884710), (4, 6442355), (5, 5153884), (10, 2576942), (20, 1288471), (1091, 23620), (1181, 21820), (2182, 11810), (2362, 10910), (4364, 5905), (4724, 5455)]