49828720

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4481}}^1$

素因数の和:4633

約数の個数: 40

約数和(自身を含む): 116711280

約数和(自身を除く): 66882560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 4481, 5560, 8962, 11120, 17924, 22405, 35848, 44810, 71696, 89620, 179240, 358480, 622859, 1245718, 2491436, 3114295, 4982872, 6228590, 9965744, 12457180, 24914360, 49828720]

約数ペア:

[(1, 49828720), (2, 24914360), (4, 12457180), (5, 9965744), (8, 6228590), (10, 4982872), (16, 3114295), (20, 2491436), (40, 1245718), (80, 622859), (139, 358480), (278, 179240), (556, 89620), (695, 71696), (1112, 44810), (1390, 35848), (2224, 22405), (2780, 17924), (4481, 11120), (5560, 8962)]