16857920

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:535

約数の個数: 56

約数和(自身を含む): 40538400

約数和(自身を除く): 23680480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 379, 556, 695, 758, 1112, 1390, 1516, 1895, 2224, 2780, 3032, 3790, 4448, 5560, 6064, 7580, 8896, 11120, 12128, 15160, 22240, 24256, 30320, 44480, 52681, 60640, 105362, 121280, 210724, 263405, 421448, 526810, 842896, 1053620, 1685792, 2107240, 3371584, 4214480, 8428960, 16857920]

約数ペア:

[(1, 16857920), (2, 8428960), (4, 4214480), (5, 3371584), (8, 2107240), (10, 1685792), (16, 1053620), (20, 842896), (32, 526810), (40, 421448), (64, 263405), (80, 210724), (139, 121280), (160, 105362), (278, 60640), (320, 52681), (379, 44480), (556, 30320), (695, 24256), (758, 22240), (1112, 15160), (1390, 12128), (1516, 11120), (1895, 8896), (2224, 7580), (2780, 6064), (3032, 5560), (3790, 4448)]