2204920

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{277}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 5004000

約数和(自身を除く): 2799080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 277, 398, 554, 796, 995, 1108, 1385, 1592, 1990, 2216, 2770, 3980, 5540, 7960, 11080, 55123, 110246, 220492, 275615, 440984, 551230, 1102460, 2204920]

約数ペア:

[(1, 2204920), (2, 1102460), (4, 551230), (5, 440984), (8, 275615), (10, 220492), (20, 110246), (40, 55123), (199, 11080), (277, 7960), (398, 5540), (554, 3980), (796, 2770), (995, 2216), (1108, 1990), (1385, 1592)]