142051240

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{21787}}^1$

素因数の和:21961

約数の個数: 32

約数和(自身を含む): 321590880

約数和(自身を除く): 179539640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 21787, 43574, 87148, 108935, 174296, 217870, 435740, 871480, 3551281, 7102562, 14205124, 17756405, 28410248, 35512810, 71025620, 142051240]

約数ペア:

[(1, 142051240), (2, 71025620), (4, 35512810), (5, 28410248), (8, 17756405), (10, 14205124), (20, 7102562), (40, 3551281), (163, 871480), (326, 435740), (652, 217870), (815, 174296), (1304, 108935), (1630, 87148), (3260, 43574), (6520, 21787)]