68998360

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{10987}}^1$

素因数の和:11155

約数の個数: 32

約数和(自身を含む): 156249360

約数和(自身を除く): 87251000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 10987, 21974, 43948, 54935, 87896, 109870, 219740, 439480, 1724959, 3449918, 6899836, 8624795, 13799672, 17249590, 34499180, 68998360]

約数ペア:

[(1, 68998360), (2, 34499180), (4, 17249590), (5, 13799672), (8, 8624795), (10, 6899836), (20, 3449918), (40, 1724959), (157, 439480), (314, 219740), (628, 109870), (785, 87896), (1256, 54935), (1570, 43948), (3140, 21974), (6280, 10987)]