84235780

素因数分解:

$2^2\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{2161}}^1$

素因数の和:4119

約数の個数: 24

約数和(自身を含む): 177067800

約数和(自身を除く): 92832020

約数列:

[1, 2, 4, 5, 10, 20, 1949, 2161, 3898, 4322, 7796, 8644, 9745, 10805, 19490, 21610, 38980, 43220, 4211789, 8423578, 16847156, 21058945, 42117890, 84235780]

約数ペア:

[(1, 84235780), (2, 42117890), (4, 21058945), (5, 16847156), (10, 8423578), (20, 4211789), (1949, 43220), (2161, 38980), (3898, 21610), (4322, 19490), (7796, 10805), (8644, 9745)]