13798480

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{997}}^1$

素因数の和:1183

約数の個数: 40

約数和(自身を含む): 32299272

約数和(自身を除く): 18500792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 997, 1384, 1730, 1994, 2768, 3460, 3988, 4985, 6920, 7976, 9970, 13840, 15952, 19940, 39880, 79760, 172481, 344962, 689924, 862405, 1379848, 1724810, 2759696, 3449620, 6899240, 13798480]

約数ペア:

[(1, 13798480), (2, 6899240), (4, 3449620), (5, 2759696), (8, 1724810), (10, 1379848), (16, 862405), (20, 689924), (40, 344962), (80, 172481), (173, 79760), (346, 39880), (692, 19940), (865, 15952), (997, 13840), (1384, 9970), (1730, 7976), (1994, 6920), (2768, 4985), (3460, 3988)]