117138020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{136207}}^1$

素因数の和:136259

約数の個数: 24

約数和(自身を含む): 251712384

約数和(自身を除く): 134574364

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 136207, 272414, 544828, 681035, 1362070, 2724140, 5856901, 11713802, 23427604, 29284505, 58569010, 117138020]

約数ペア:

[(1, 117138020), (2, 58569010), (4, 29284505), (5, 23427604), (10, 11713802), (20, 5856901), (43, 2724140), (86, 1362070), (172, 681035), (215, 544828), (430, 272414), (860, 136207)]