26809280

素因数分解:

$2^6\times 5^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:637

約数の個数: 56

約数和(自身を含む): 64312800

約数和(自身を除く): 37503520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 199, 320, 398, 421, 796, 842, 995, 1592, 1684, 1990, 2105, 3184, 3368, 3980, 4210, 6368, 6736, 7960, 8420, 12736, 13472, 15920, 16840, 26944, 31840, 33680, 63680, 67360, 83779, 134720, 167558, 335116, 418895, 670232, 837790, 1340464, 1675580, 2680928, 3351160, 5361856, 6702320, 13404640, 26809280]

約数ペア:

[(1, 26809280), (2, 13404640), (4, 6702320), (5, 5361856), (8, 3351160), (10, 2680928), (16, 1675580), (20, 1340464), (32, 837790), (40, 670232), (64, 418895), (80, 335116), (160, 167558), (199, 134720), (320, 83779), (398, 67360), (421, 63680), (796, 33680), (842, 31840), (995, 26944), (1592, 16840), (1684, 15920), (1990, 13472), (2105, 12736), (3184, 8420), (3368, 7960), (3980, 6736), (4210, 6368)]