3989920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2267}}^1$

素因数の和:2293

約数の個数: 48

約数和(自身を含む): 10287648

約数和(自身を除く): 6297728

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 2267, 4534, 9068, 11335, 18136, 22670, 24937, 36272, 45340, 49874, 72544, 90680, 99748, 124685, 181360, 199496, 249370, 362720, 398992, 498740, 797984, 997480, 1994960, 3989920]

約数ペア:

[(1, 3989920), (2, 1994960), (4, 997480), (5, 797984), (8, 498740), (10, 398992), (11, 362720), (16, 249370), (20, 199496), (22, 181360), (32, 124685), (40, 99748), (44, 90680), (55, 72544), (80, 49874), (88, 45340), (110, 36272), (160, 24937), (176, 22670), (220, 18136), (352, 11335), (440, 9068), (880, 4534), (1760, 2267)]