202204780

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{20261}}^1$

素因数の和:20769

約数の個数: 24

約数和(自身を含む): 425502000

約数和(自身を除く): 223297220

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 9980, 20261, 40522, 81044, 101305, 202610, 405220, 10110239, 20220478, 40440956, 50551195, 101102390, 202204780]

約数ペア:

[(1, 202204780), (2, 101102390), (4, 50551195), (5, 40440956), (10, 20220478), (20, 10110239), (499, 405220), (998, 202610), (1996, 101305), (2495, 81044), (4990, 40522), (9980, 20261)]