97661240

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{12269}}^1$

素因数の和:12479

約数の個数: 32

約数和(自身を含む): 220860000

約数和(自身を除く): 123198760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 12269, 24538, 49076, 61345, 98152, 122690, 245380, 490760, 2441531, 4883062, 9766124, 12207655, 19532248, 24415310, 48830620, 97661240]

約数ペア:

[(1, 97661240), (2, 48830620), (4, 24415310), (5, 19532248), (8, 12207655), (10, 9766124), (20, 4883062), (40, 2441531), (199, 490760), (398, 245380), (796, 122690), (995, 98152), (1592, 61345), (1990, 49076), (3980, 24538), (7960, 12269)]