2019492080

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{181609}}^1$

素因数の和:181761

約数の個数: 40

約数和(自身を含む): 4729124400

約数和(自身を除く): 2709632320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 181609, 363218, 726436, 908045, 1452872, 1816090, 2905744, 3632180, 7264360, 14528720, 25243651, 50487302, 100974604, 126218255, 201949208, 252436510, 403898416, 504873020, 1009746040, 2019492080]

約数ペア:

[(1, 2019492080), (2, 1009746040), (4, 504873020), (5, 403898416), (8, 252436510), (10, 201949208), (16, 126218255), (20, 100974604), (40, 50487302), (80, 25243651), (139, 14528720), (278, 7264360), (556, 3632180), (695, 2905744), (1112, 1816090), (1390, 1452872), (2224, 908045), (2780, 726436), (5560, 363218), (11120, 181609)]