38415440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{379}}^1$

素因数の和:580

約数の個数: 80

約数和(自身を含む): 102910080

約数和(自身を除く): 64494640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 181, 280, 362, 379, 560, 724, 758, 905, 1267, 1448, 1516, 1810, 1895, 2534, 2653, 2896, 3032, 3620, 3790, 5068, 5306, 6064, 6335, 7240, 7580, 10136, 10612, 12670, 13265, 14480, 15160, 20272, 21224, 25340, 26530, 30320, 42448, 50680, 53060, 68599, 101360, 106120, 137198, 212240, 274396, 342995, 480193, 548792, 685990, 960386, 1097584, 1371980, 1920772, 2400965, 2743960, 3841544, 4801930, 5487920, 7683088, 9603860, 19207720, 38415440]

約数ペア:

[(1, 38415440), (2, 19207720), (4, 9603860), (5, 7683088), (7, 5487920), (8, 4801930), (10, 3841544), (14, 2743960), (16, 2400965), (20, 1920772), (28, 1371980), (35, 1097584), (40, 960386), (56, 685990), (70, 548792), (80, 480193), (112, 342995), (140, 274396), (181, 212240), (280, 137198), (362, 106120), (379, 101360), (560, 68599), (724, 53060), (758, 50680), (905, 42448), (1267, 30320), (1448, 26530), (1516, 25340), (1810, 21224), (1895, 20272), (2534, 15160), (2653, 14480), (2896, 13265), (3032, 12670), (3620, 10612), (3790, 10136), (5068, 7580), (5306, 7240), (6064, 6335)]