25428040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{57791}}^1$

素因数の和:57813

約数の個数: 32

約数和(自身を含む): 62415360

約数和(自身を除く): 36987320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 57791, 115582, 231164, 288955, 462328, 577910, 635701, 1155820, 1271402, 2311640, 2542804, 3178505, 5085608, 6357010, 12714020, 25428040]

約数ペア:

[(1, 25428040), (2, 12714020), (4, 6357010), (5, 5085608), (8, 3178505), (10, 2542804), (11, 2311640), (20, 1271402), (22, 1155820), (40, 635701), (44, 577910), (55, 462328), (88, 288955), (110, 231164), (220, 115582), (440, 57791)]