840015671080

素因数分解:

$2^3\times 5^1\times {\mathrm{3361}}^1\times {\mathrm{6248257}}^1$

素因数の和:6251629

約数の個数: 32

約数和(自身を含む): 1890597905640

約数和(自身を除く): 1050582234560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3361, 6722, 13444, 16805, 26888, 33610, 67220, 134440, 6248257, 12496514, 24993028, 31241285, 49986056, 62482570, 124965140, 249930280, 21000391777, 42000783554, 84001567108, 105001958885, 168003134216, 210003917770, 420007835540, 840015671080]

約数ペア:

[(1, 840015671080), (2, 420007835540), (4, 210003917770), (5, 168003134216), (8, 105001958885), (10, 84001567108), (20, 42000783554), (40, 21000391777), (3361, 249930280), (6722, 124965140), (13444, 62482570), (16805, 49986056), (26888, 31241285), (33610, 24993028), (67220, 12496514), (134440, 6248257)]