13879280

素因数分解:

$2^4\times 5^1\times {\mathrm{173491}}^1$

素因数の和:173504

約数の個数: 20

約数和(自身を含む): 32269512

約数和(自身を除く): 18390232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173491, 346982, 693964, 867455, 1387928, 1734910, 2775856, 3469820, 6939640, 13879280]

約数ペア:

[(1, 13879280), (2, 6939640), (4, 3469820), (5, 2775856), (8, 1734910), (10, 1387928), (16, 867455), (20, 693964), (40, 346982), (80, 173491)]