80487440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91463}}^1$

素因数の和:91487

約数の個数: 40

約数和(自身を含む): 204147648

約数和(自身を除く): 123660208

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 91463, 182926, 365852, 457315, 731704, 914630, 1006093, 1463408, 1829260, 2012186, 3658520, 4024372, 5030465, 7317040, 8048744, 10060930, 16097488, 20121860, 40243720, 80487440]

約数ペア:

[(1, 80487440), (2, 40243720), (4, 20121860), (5, 16097488), (8, 10060930), (10, 8048744), (11, 7317040), (16, 5030465), (20, 4024372), (22, 3658520), (40, 2012186), (44, 1829260), (55, 1463408), (80, 1006093), (88, 914630), (110, 731704), (176, 457315), (220, 365852), (440, 182926), (880, 91463)]