17387680

素因数分解:

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

素因数の和:1121

約数の個数: 48

約数和(自身を含む): 41496840

約数和(自身を除く): 24109160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 997, 1090, 1744, 1994, 2180, 3488, 3988, 4360, 4985, 7976, 8720, 9970, 15952, 17440, 19940, 31904, 39880, 79760, 108673, 159520, 217346, 434692, 543365, 869384, 1086730, 1738768, 2173460, 3477536, 4346920, 8693840, 17387680]

約数ペア:

[(1, 17387680), (2, 8693840), (4, 4346920), (5, 3477536), (8, 2173460), (10, 1738768), (16, 1086730), (20, 869384), (32, 543365), (40, 434692), (80, 217346), (109, 159520), (160, 108673), (218, 79760), (436, 39880), (545, 31904), (872, 19940), (997, 17440), (1090, 15952), (1744, 9970), (1994, 8720), (2180, 7976), (3488, 4985), (3988, 4360)]