7801520

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{863}}^1$

素因数の和:989

約数の個数: 40

約数和(自身を含む): 18320256

約数和(自身を除く): 10518736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 863, 904, 1130, 1726, 1808, 2260, 3452, 4315, 4520, 6904, 8630, 9040, 13808, 17260, 34520, 69040, 97519, 195038, 390076, 487595, 780152, 975190, 1560304, 1950380, 3900760, 7801520]

約数ペア:

[(1, 7801520), (2, 3900760), (4, 1950380), (5, 1560304), (8, 975190), (10, 780152), (16, 487595), (20, 390076), (40, 195038), (80, 97519), (113, 69040), (226, 34520), (452, 17260), (565, 13808), (863, 9040), (904, 8630), (1130, 6904), (1726, 4520), (1808, 4315), (2260, 3452)]