16320040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1279}}^1$

素因数の和:1330

約数の個数: 64

約数和(自身を含む): 41472000

約数和(自身を除く): 25151960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1279, 1595, 2552, 2558, 3190, 5116, 6380, 6395, 10232, 12760, 12790, 14069, 25580, 28138, 37091, 51160, 56276, 70345, 74182, 112552, 140690, 148364, 185455, 281380, 296728, 370910, 408001, 562760, 741820, 816002, 1483640, 1632004, 2040005, 3264008, 4080010, 8160020, 16320040]

約数ペア:

[(1, 16320040), (2, 8160020), (4, 4080010), (5, 3264008), (8, 2040005), (10, 1632004), (11, 1483640), (20, 816002), (22, 741820), (29, 562760), (40, 408001), (44, 370910), (55, 296728), (58, 281380), (88, 185455), (110, 148364), (116, 140690), (145, 112552), (220, 74182), (232, 70345), (290, 56276), (319, 51160), (440, 37091), (580, 28138), (638, 25580), (1160, 14069), (1276, 12790), (1279, 12760), (1595, 10232), (2552, 6395), (2558, 6380), (3190, 5116)]