8819680

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{277}}^1$

素因数の和:491

約数の個数: 48

約数和(自身を含む): 21016800

約数和(自身を除く): 12197120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 277, 398, 554, 796, 995, 1108, 1385, 1592, 1990, 2216, 2770, 3184, 3980, 4432, 5540, 6368, 7960, 8864, 11080, 15920, 22160, 31840, 44320, 55123, 110246, 220492, 275615, 440984, 551230, 881968, 1102460, 1763936, 2204920, 4409840, 8819680]

約数ペア:

[(1, 8819680), (2, 4409840), (4, 2204920), (5, 1763936), (8, 1102460), (10, 881968), (16, 551230), (20, 440984), (32, 275615), (40, 220492), (80, 110246), (160, 55123), (199, 44320), (277, 31840), (398, 22160), (554, 15920), (796, 11080), (995, 8864), (1108, 7960), (1385, 6368), (1592, 5540), (1990, 4432), (2216, 3980), (2770, 3184)]