121632640

素因数分解:

$2^7\times 5^1\times {\mathrm{190051}}^1$

素因数の和:190070

約数の個数: 32

約数和(自身を含む): 290779560

約数和(自身を除く): 169146920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 190051, 380102, 760204, 950255, 1520408, 1900510, 3040816, 3801020, 6081632, 7602040, 12163264, 15204080, 24326528, 30408160, 60816320, 121632640]

約数ペア:

[(1, 121632640), (2, 60816320), (4, 30408160), (5, 24326528), (8, 15204080), (10, 12163264), (16, 7602040), (20, 6081632), (32, 3801020), (40, 3040816), (64, 1900510), (80, 1520408), (128, 950255), (160, 760204), (320, 380102), (640, 190051)]