255628040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{220369}}^1$

素因数の和:220409

約数の個数: 32

約数和(自身を含む): 594999000

約数和(自身を除く): 339370960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 220369, 440738, 881476, 1101845, 1762952, 2203690, 4407380, 6390701, 8814760, 12781402, 25562804, 31953505, 51125608, 63907010, 127814020, 255628040]

約数ペア:

[(1, 255628040), (2, 127814020), (4, 63907010), (5, 51125608), (8, 31953505), (10, 25562804), (20, 12781402), (29, 8814760), (40, 6390701), (58, 4407380), (116, 2203690), (145, 1762952), (232, 1101845), (290, 881476), (580, 440738), (1160, 220369)]