2823920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3209}}^1$

素因数の和:3233

約数の個数: 40

約数和(自身を含む): 7164720

約数和(自身を除く): 4340800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 3209, 6418, 12836, 16045, 25672, 32090, 35299, 51344, 64180, 70598, 128360, 141196, 176495, 256720, 282392, 352990, 564784, 705980, 1411960, 2823920]

約数ペア:

[(1, 2823920), (2, 1411960), (4, 705980), (5, 564784), (8, 352990), (10, 282392), (11, 256720), (16, 176495), (20, 141196), (22, 128360), (40, 70598), (44, 64180), (55, 51344), (80, 35299), (88, 32090), (110, 25672), (176, 16045), (220, 12836), (440, 6418), (880, 3209)]