39791920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{10151}}^1$

素因数の和:10178

約数の個数: 60

約数和(自身を含む): 107631504

約数和(自身を除く): 67839584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 10151, 20302, 40604, 50755, 71057, 81208, 101510, 142114, 162416, 203020, 284228, 355285, 406040, 497399, 568456, 710570, 812080, 994798, 1136912, 1421140, 1989596, 2486995, 2842280, 3979192, 4973990, 5684560, 7958384, 9947980, 19895960, 39791920]

約数ペア:

[(1, 39791920), (2, 19895960), (4, 9947980), (5, 7958384), (7, 5684560), (8, 4973990), (10, 3979192), (14, 2842280), (16, 2486995), (20, 1989596), (28, 1421140), (35, 1136912), (40, 994798), (49, 812080), (56, 710570), (70, 568456), (80, 497399), (98, 406040), (112, 355285), (140, 284228), (196, 203020), (245, 162416), (280, 142114), (392, 101510), (490, 81208), (560, 71057), (784, 50755), (980, 40604), (1960, 20302), (3920, 10151)]