2080667080

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{217643}}^1$

素因数の和:217893

約数の個数: 32

約数和(自身を含む): 4701110400

約数和(自身を除く): 2620443320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9560, 217643, 435286, 870572, 1088215, 1741144, 2176430, 4352860, 8705720, 52016677, 104033354, 208066708, 260083385, 416133416, 520166770, 1040333540, 2080667080]

約数ペア:

[(1, 2080667080), (2, 1040333540), (4, 520166770), (5, 416133416), (8, 260083385), (10, 208066708), (20, 104033354), (40, 52016677), (239, 8705720), (478, 4352860), (956, 2176430), (1195, 1741144), (1912, 1088215), (2390, 870572), (4780, 435286), (9560, 217643)]