2789240

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{677}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 6346080

約数和(自身を除く): 3556840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 677, 824, 1030, 1354, 2060, 2708, 3385, 4120, 5416, 6770, 13540, 27080, 69731, 139462, 278924, 348655, 557848, 697310, 1394620, 2789240]

約数ペア:

[(1, 2789240), (2, 1394620), (4, 697310), (5, 557848), (8, 348655), (10, 278924), (20, 139462), (40, 69731), (103, 27080), (206, 13540), (412, 6770), (515, 5416), (677, 4120), (824, 3385), (1030, 2708), (1354, 2060)]