4057640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{281}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 9669780

約数和(自身を除く): 5612140

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 281, 361, 380, 562, 722, 760, 1124, 1405, 1444, 1805, 2248, 2810, 2888, 3610, 5339, 5620, 7220, 10678, 11240, 14440, 21356, 26695, 42712, 53390, 101441, 106780, 202882, 213560, 405764, 507205, 811528, 1014410, 2028820, 4057640]

約数ペア:

[(1, 4057640), (2, 2028820), (4, 1014410), (5, 811528), (8, 507205), (10, 405764), (19, 213560), (20, 202882), (38, 106780), (40, 101441), (76, 53390), (95, 42712), (152, 26695), (190, 21356), (281, 14440), (361, 11240), (380, 10678), (562, 7220), (722, 5620), (760, 5339), (1124, 3610), (1405, 2888), (1444, 2810), (1805, 2248)]