16870760

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{859}}^1$

素因数の和:1361

約数の個数: 32

約数和(自身を含む): 38080800

約数和(自身を除く): 21210040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 859, 982, 1718, 1964, 2455, 3436, 3928, 4295, 4910, 6872, 8590, 9820, 17180, 19640, 34360, 421769, 843538, 1687076, 2108845, 3374152, 4217690, 8435380, 16870760]

約数ペア:

[(1, 16870760), (2, 8435380), (4, 4217690), (5, 3374152), (8, 2108845), (10, 1687076), (20, 843538), (40, 421769), (491, 34360), (859, 19640), (982, 17180), (1718, 9820), (1964, 8590), (2455, 6872), (3436, 4910), (3928, 4295)]