123822640

素因数分解:

$2^4\times 5^1\times {\mathrm{727}}^1\times {\mathrm{2129}}^1$

素因数の和:2869

約数の個数: 40

約数和(自身を含む): 288419040

約数和(自身を除く): 164596400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 727, 1454, 2129, 2908, 3635, 4258, 5816, 7270, 8516, 10645, 11632, 14540, 17032, 21290, 29080, 34064, 42580, 58160, 85160, 170320, 1547783, 3095566, 6191132, 7738915, 12382264, 15477830, 24764528, 30955660, 61911320, 123822640]

約数ペア:

[(1, 123822640), (2, 61911320), (4, 30955660), (5, 24764528), (8, 15477830), (10, 12382264), (16, 7738915), (20, 6191132), (40, 3095566), (80, 1547783), (727, 170320), (1454, 85160), (2129, 58160), (2908, 42580), (3635, 34064), (4258, 29080), (5816, 21290), (7270, 17032), (8516, 14540), (10645, 11632)]