31661740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2027}}^1$

素因数の和:2118

約数の個数: 48

約数和(自身を含む): 73592064

約数和(自身を除く): 41930324

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 2027, 3124, 3905, 4054, 7810, 8108, 10135, 15620, 20270, 22297, 40540, 44594, 89188, 111485, 143917, 222970, 287834, 445940, 575668, 719585, 1439170, 1583087, 2878340, 3166174, 6332348, 7915435, 15830870, 31661740]

約数ペア:

[(1, 31661740), (2, 15830870), (4, 7915435), (5, 6332348), (10, 3166174), (11, 2878340), (20, 1583087), (22, 1439170), (44, 719585), (55, 575668), (71, 445940), (110, 287834), (142, 222970), (220, 143917), (284, 111485), (355, 89188), (710, 44594), (781, 40540), (1420, 22297), (1562, 20270), (2027, 15620), (3124, 10135), (3905, 8108), (4054, 7810)]