13181360

素因数分解:

$2^4\times 5^1\times {\mathrm{164767}}^1$

素因数の和:164780

約数の個数: 20

約数和(自身を含む): 30646848

約数和(自身を除く): 17465488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 164767, 329534, 659068, 823835, 1318136, 1647670, 2636272, 3295340, 6590680, 13181360]

約数ペア:

[(1, 13181360), (2, 6590680), (4, 3295340), (5, 2636272), (8, 1647670), (10, 1318136), (16, 823835), (20, 659068), (40, 329534), (80, 164767)]