19949600

素因数分解:

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

素因数の和:2298

約数の個数: 72

約数和(自身を含む): 53152848

約数和(自身を除く): 33203248

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2200, 2267, 4400, 4534, 8800, 9068, 11335, 18136, 22670, 24937, 36272, 45340, 49874, 56675, 72544, 90680, 99748, 113350, 124685, 181360, 199496, 226700, 249370, 362720, 398992, 453400, 498740, 623425, 797984, 906800, 997480, 1246850, 1813600, 1994960, 2493700, 3989920, 4987400, 9974800, 19949600]

約数ペア:

[(1, 19949600), (2, 9974800), (4, 4987400), (5, 3989920), (8, 2493700), (10, 1994960), (11, 1813600), (16, 1246850), (20, 997480), (22, 906800), (25, 797984), (32, 623425), (40, 498740), (44, 453400), (50, 398992), (55, 362720), (80, 249370), (88, 226700), (100, 199496), (110, 181360), (160, 124685), (176, 113350), (200, 99748), (220, 90680), (275, 72544), (352, 56675), (400, 49874), (440, 45340), (550, 36272), (800, 24937), (880, 22670), (1100, 18136), (1760, 11335), (2200, 9068), (2267, 8800), (4400, 4534)]