49957780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{40949}}^1$

素因数の和:41019

約数の個数: 24

約数和(自身を含む): 106633800

約数和(自身を除く): 56676020

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 40949, 81898, 163796, 204745, 409490, 818980, 2497889, 4995778, 9991556, 12489445, 24978890, 49957780]

約数ペア:

[(1, 49957780), (2, 24978890), (4, 12489445), (5, 9991556), (10, 4995778), (20, 2497889), (61, 818980), (122, 409490), (244, 204745), (305, 163796), (610, 81898), (1220, 40949)]