9949840

素因数分解:

$2^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{449}}^1$

素因数の和:739

約数の個数: 40

約数和(自身を含む): 23268600

約数和(自身を除く): 13318760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277, 449, 554, 898, 1108, 1385, 1796, 2216, 2245, 2770, 3592, 4432, 4490, 5540, 7184, 8980, 11080, 17960, 22160, 35920, 124373, 248746, 497492, 621865, 994984, 1243730, 1989968, 2487460, 4974920, 9949840]

約数ペア:

[(1, 9949840), (2, 4974920), (4, 2487460), (5, 1989968), (8, 1243730), (10, 994984), (16, 621865), (20, 497492), (40, 248746), (80, 124373), (277, 35920), (449, 22160), (554, 17960), (898, 11080), (1108, 8980), (1385, 7184), (1796, 5540), (2216, 4490), (2245, 4432), (2770, 3592)]