2490680

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{877}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 5689440

約数和(自身を除く): 3198760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 877, 1420, 1754, 2840, 3508, 4385, 7016, 8770, 17540, 35080, 62267, 124534, 249068, 311335, 498136, 622670, 1245340, 2490680]

約数ペア:

[(1, 2490680), (2, 1245340), (4, 622670), (5, 498136), (8, 311335), (10, 249068), (20, 124534), (40, 62267), (71, 35080), (142, 17540), (284, 8770), (355, 7016), (568, 4385), (710, 3508), (877, 2840), (1420, 1754)]