2007280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2281}}^1$

素因数の和:2305

約数の個数: 40

約数和(自身を含む): 5093424

約数和(自身を除く): 3086144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2281, 4562, 9124, 11405, 18248, 22810, 25091, 36496, 45620, 50182, 91240, 100364, 125455, 182480, 200728, 250910, 401456, 501820, 1003640, 2007280]

約数ペア:

[(1, 2007280), (2, 1003640), (4, 501820), (5, 401456), (8, 250910), (10, 200728), (11, 182480), (16, 125455), (20, 100364), (22, 91240), (40, 50182), (44, 45620), (55, 36496), (80, 25091), (88, 22810), (110, 18248), (176, 11405), (220, 9124), (440, 4562), (880, 2281)]