1330264820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1090381}}^1$

素因数の和:1090451

約数の個数: 24

約数和(自身を含む): 2839354728

約数和(自身を除く): 1509089908

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1090381, 2180762, 4361524, 5451905, 10903810, 21807620, 66513241, 133026482, 266052964, 332566205, 665132410, 1330264820]

約数ペア:

[(1, 1330264820), (2, 665132410), (4, 332566205), (5, 266052964), (10, 133026482), (20, 66513241), (61, 21807620), (122, 10903810), (244, 5451905), (305, 4361524), (610, 2180762), (1220, 1090381)]