2625640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1601}}^1$

素因数の和:1653

約数の個数: 32

約数和(自身を含む): 6055560

約数和(自身を除く): 3429920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1601, 1640, 3202, 6404, 8005, 12808, 16010, 32020, 64040, 65641, 131282, 262564, 328205, 525128, 656410, 1312820, 2625640]

約数ペア:

[(1, 2625640), (2, 1312820), (4, 656410), (5, 525128), (8, 328205), (10, 262564), (20, 131282), (40, 65641), (41, 64040), (82, 32020), (164, 16010), (205, 12808), (328, 8005), (410, 6404), (820, 3202), (1601, 1640)]