140567920

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{12641}}^1$

素因数の和:12793

約数の個数: 40

約数和(自身を含む): 329197680

約数和(自身を除く): 188629760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 12641, 25282, 50564, 63205, 101128, 126410, 202256, 252820, 505640, 1011280, 1757099, 3514198, 7028396, 8785495, 14056792, 17570990, 28113584, 35141980, 70283960, 140567920]

約数ペア:

[(1, 140567920), (2, 70283960), (4, 35141980), (5, 28113584), (8, 17570990), (10, 14056792), (16, 8785495), (20, 7028396), (40, 3514198), (80, 1757099), (139, 1011280), (278, 505640), (556, 252820), (695, 202256), (1112, 126410), (1390, 101128), (2224, 63205), (2780, 50564), (5560, 25282), (11120, 12641)]