88799960

素因数分解:

$2^3\times 5^1\times {\mathrm{2219999}}^1$

素因数の和:2220010

約数の個数: 16

約数和(自身を含む): 199800000

約数和(自身を除く): 111000040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2219999, 4439998, 8879996, 11099995, 17759992, 22199990, 44399980, 88799960]

約数ペア:

[(1, 88799960), (2, 44399980), (4, 22199990), (5, 17759992), (8, 11099995), (10, 8879996), (20, 4439998), (40, 2219999)]