163393520

素因数分解:

$2^4\times 5^1\times {\mathrm{2042419}}^1$

素因数の和:2042432

約数の個数: 20

約数和(自身を含む): 379890120

約数和(自身を除く): 216496600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2042419, 4084838, 8169676, 10212095, 16339352, 20424190, 32678704, 40848380, 81696760, 163393520]

約数ペア:

[(1, 163393520), (2, 81696760), (4, 40848380), (5, 32678704), (8, 20424190), (10, 16339352), (16, 10212095), (20, 8169676), (40, 4084838), (80, 2042419)]