68948680

素因数分解:

$2^3\times 5^1\times {\mathrm{727}}^1\times {\mathrm{2371}}^1$

素因数の和:3109

約数の個数: 32

約数和(自身を含む): 155413440

約数和(自身を除く): 86464760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 727, 1454, 2371, 2908, 3635, 4742, 5816, 7270, 9484, 11855, 14540, 18968, 23710, 29080, 47420, 94840, 1723717, 3447434, 6894868, 8618585, 13789736, 17237170, 34474340, 68948680]

約数ペア:

[(1, 68948680), (2, 34474340), (4, 17237170), (5, 13789736), (8, 8618585), (10, 6894868), (20, 3447434), (40, 1723717), (727, 94840), (1454, 47420), (2371, 29080), (2908, 23710), (3635, 18968), (4742, 14540), (5816, 11855), (7270, 9484)]