31274020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67987}}^1$

素因数の和:68019

約数の個数: 24

約数和(自身を含む): 68531904

約数和(自身を除く): 37257884

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 67987, 135974, 271948, 339935, 679870, 1359740, 1563701, 3127402, 6254804, 7818505, 15637010, 31274020]

約数ペア:

[(1, 31274020), (2, 15637010), (4, 7818505), (5, 6254804), (10, 3127402), (20, 1563701), (23, 1359740), (46, 679870), (92, 339935), (115, 271948), (230, 135974), (460, 67987)]