105120040

素因数分解:

$2^3\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{2579}}^1$

素因数の和:3609

約数の個数: 32

約数和(自身を含む): 236844000

約数和(自身を除く): 131723960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1019, 2038, 2579, 4076, 5095, 5158, 8152, 10190, 10316, 12895, 20380, 20632, 25790, 40760, 51580, 103160, 2628001, 5256002, 10512004, 13140005, 21024008, 26280010, 52560020, 105120040]

約数ペア:

[(1, 105120040), (2, 52560020), (4, 26280010), (5, 21024008), (8, 13140005), (10, 10512004), (20, 5256002), (40, 2628001), (1019, 103160), (2038, 51580), (2579, 40760), (4076, 25790), (5095, 20632), (5158, 20380), (8152, 12895), (10190, 10316)]