31154720

素因数分解:

$2^5\times 5^1\times {\mathrm{194717}}^1$

素因数の和:194732

約数の個数: 24

約数和(自身を含む): 73603404

約数和(自身を除く): 42448684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 194717, 389434, 778868, 973585, 1557736, 1947170, 3115472, 3894340, 6230944, 7788680, 15577360, 31154720]

約数ペア:

[(1, 31154720), (2, 15577360), (4, 7788680), (5, 6230944), (8, 3894340), (10, 3115472), (16, 1947170), (20, 1557736), (32, 973585), (40, 778868), (80, 389434), (160, 194717)]