26140640

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{821}}^1$

素因数の和:1035

約数の個数: 48

約数和(自身を含む): 62143200

約数和(自身を除く): 36002560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 796, 821, 995, 1592, 1642, 1990, 3184, 3284, 3980, 4105, 6368, 6568, 7960, 8210, 13136, 15920, 16420, 26272, 31840, 32840, 65680, 131360, 163379, 326758, 653516, 816895, 1307032, 1633790, 2614064, 3267580, 5228128, 6535160, 13070320, 26140640]

約数ペア:

[(1, 26140640), (2, 13070320), (4, 6535160), (5, 5228128), (8, 3267580), (10, 2614064), (16, 1633790), (20, 1307032), (32, 816895), (40, 653516), (80, 326758), (160, 163379), (199, 131360), (398, 65680), (796, 32840), (821, 31840), (995, 26272), (1592, 16420), (1642, 15920), (1990, 13136), (3184, 8210), (3284, 7960), (3980, 6568), (4105, 6368)]