38243440

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6733}}^1$

素因数の和:6817

約数の個数: 40

約数和(自身を含む): 90181728

約数和(自身を除く): 51938288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 6733, 13466, 26932, 33665, 53864, 67330, 107728, 134660, 269320, 478043, 538640, 956086, 1912172, 2390215, 3824344, 4780430, 7648688, 9560860, 19121720, 38243440]

約数ペア:

[(1, 38243440), (2, 19121720), (4, 9560860), (5, 7648688), (8, 4780430), (10, 3824344), (16, 2390215), (20, 1912172), (40, 956086), (71, 538640), (80, 478043), (142, 269320), (284, 134660), (355, 107728), (568, 67330), (710, 53864), (1136, 33665), (1420, 26932), (2840, 13466), (5680, 6733)]