127209340

素因数分解:

$2^2\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{4973}}^1$

素因数の和:6261

約数の個数: 24

約数和(自身を含む): 267402240

約数和(自身を除く): 140192900

約数列:

[1, 2, 4, 5, 10, 20, 1279, 2558, 4973, 5116, 6395, 9946, 12790, 19892, 24865, 25580, 49730, 99460, 6360467, 12720934, 25441868, 31802335, 63604670, 127209340]

約数ペア:

[(1, 127209340), (2, 63604670), (4, 31802335), (5, 25441868), (10, 12720934), (20, 6360467), (1279, 99460), (2558, 49730), (4973, 25580), (5116, 24865), (6395, 19892), (9946, 12790)]