25181860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3947}}^1$

素因数の和:3996

約数の個数: 48

約数和(自身を含む): 59693760

約数和(自身を除く): 34511900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 3947, 6380, 7894, 15788, 19735, 39470, 43417, 78940, 86834, 114463, 173668, 217085, 228926, 434170, 457852, 572315, 868340, 1144630, 1259093, 2289260, 2518186, 5036372, 6295465, 12590930, 25181860]

約数ペア:

[(1, 25181860), (2, 12590930), (4, 6295465), (5, 5036372), (10, 2518186), (11, 2289260), (20, 1259093), (22, 1144630), (29, 868340), (44, 572315), (55, 457852), (58, 434170), (110, 228926), (116, 217085), (145, 173668), (220, 114463), (290, 86834), (319, 78940), (580, 43417), (638, 39470), (1276, 19735), (1595, 15788), (3190, 7894), (3947, 6380)]