7921640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{6829}}^1$

素因数の和:6869

約数の個数: 32

約数和(自身を含む): 18441000

約数和(自身を除く): 10519360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 6829, 13658, 27316, 34145, 54632, 68290, 136580, 198041, 273160, 396082, 792164, 990205, 1584328, 1980410, 3960820, 7921640]

約数ペア:

[(1, 7921640), (2, 3960820), (4, 1980410), (5, 1584328), (8, 990205), (10, 792164), (20, 396082), (29, 273160), (40, 198041), (58, 136580), (116, 68290), (145, 54632), (232, 34145), (290, 27316), (580, 13658), (1160, 6829)]