4409840

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{277}}^1$

素因数の和:489

約数の個数: 40

約数和(自身を含む): 10341600

約数和(自身を除く): 5931760

約数列:

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

約数ペア:

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