133798520

素因数分解:

$2^3\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{2579}}^1$

素因数の和:3887

約数の個数: 32

約数和(自身を含む): 301395600

約数和(自身を除く): 167597080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1297, 2579, 2594, 5158, 5188, 6485, 10316, 10376, 12895, 12970, 20632, 25790, 25940, 51580, 51880, 103160, 3344963, 6689926, 13379852, 16724815, 26759704, 33449630, 66899260, 133798520]

約数ペア:

[(1, 133798520), (2, 66899260), (4, 33449630), (5, 26759704), (8, 16724815), (10, 13379852), (20, 6689926), (40, 3344963), (1297, 103160), (2579, 51880), (2594, 51580), (5158, 25940), (5188, 25790), (6485, 20632), (10316, 12970), (10376, 12895)]