40645432820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49567601}}^1$

素因数の和:49567651

約数の個数: 24

約数和(自身を含む): 87437249928

約数和(自身を除く): 46791817108

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 49567601, 99135202, 198270404, 247838005, 495676010, 991352020, 2032271641, 4064543282, 8129086564, 10161358205, 20322716410, 40645432820]

約数ペア:

[(1, 40645432820), (2, 20322716410), (4, 10161358205), (5, 8129086564), (10, 4064543282), (20, 2032271641), (41, 991352020), (82, 495676010), (164, 247838005), (205, 198270404), (410, 99135202), (820, 49567601)]