165119960

素因数分解:

$2^3\times 5^1\times {\mathrm{4127999}}^1$

素因数の和:4128010

約数の個数: 16

約数和(自身を含む): 371520000

約数和(自身を除く): 206400040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4127999, 8255998, 16511996, 20639995, 33023992, 41279990, 82559980, 165119960]

約数ペア:

[(1, 165119960), (2, 82559980), (4, 41279990), (5, 33023992), (8, 20639995), (10, 16511996), (20, 8255998), (40, 4127999)]