28372040

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{6277}}^1$

素因数の和:6401

約数の個数: 32

約数和(自身を含む): 64412280

約数和(自身を除く): 36040240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 6277, 12554, 25108, 31385, 50216, 62770, 125540, 251080, 709301, 1418602, 2837204, 3546505, 5674408, 7093010, 14186020, 28372040]

約数ペア:

[(1, 28372040), (2, 14186020), (4, 7093010), (5, 5674408), (8, 3546505), (10, 2837204), (20, 1418602), (40, 709301), (113, 251080), (226, 125540), (452, 62770), (565, 50216), (904, 31385), (1130, 25108), (2260, 12554), (4520, 6277)]