2003920

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{677}}^1$

素因数の和:727

約数の個数: 40

約数和(自身を含む): 4792104

約数和(自身を除く): 2788184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 677, 740, 1354, 1480, 2708, 2960, 3385, 5416, 6770, 10832, 13540, 25049, 27080, 50098, 54160, 100196, 125245, 200392, 250490, 400784, 500980, 1001960, 2003920]

約数ペア:

[(1, 2003920), (2, 1001960), (4, 500980), (5, 400784), (8, 250490), (10, 200392), (16, 125245), (20, 100196), (37, 54160), (40, 50098), (74, 27080), (80, 25049), (148, 13540), (185, 10832), (296, 6770), (370, 5416), (592, 3385), (677, 2960), (740, 2708), (1354, 1480)]