8693840

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{997}}^1$

素因数の和:1119

約数の個数: 40

約数和(自身を含む): 20419080

約数和(自身を除く): 11725240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 997, 1090, 1744, 1994, 2180, 3988, 4360, 4985, 7976, 8720, 9970, 15952, 19940, 39880, 79760, 108673, 217346, 434692, 543365, 869384, 1086730, 1738768, 2173460, 4346920, 8693840]

約数ペア:

[(1, 8693840), (2, 4346920), (4, 2173460), (5, 1738768), (8, 1086730), (10, 869384), (16, 543365), (20, 434692), (40, 217346), (80, 108673), (109, 79760), (218, 39880), (436, 19940), (545, 15952), (872, 9970), (997, 8720), (1090, 7976), (1744, 4985), (1994, 4360), (2180, 3988)]