88540720

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1987}}^1$

素因数の和:2557

約数の個数: 40

約数和(自身を含む): 206330544

約数和(自身を除く): 117789824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 1987, 2228, 2785, 3974, 4456, 5570, 7948, 8912, 9935, 11140, 15896, 19870, 22280, 31792, 39740, 44560, 79480, 158960, 1106759, 2213518, 4427036, 5533795, 8854072, 11067590, 17708144, 22135180, 44270360, 88540720]

約数ペア:

[(1, 88540720), (2, 44270360), (4, 22135180), (5, 17708144), (8, 11067590), (10, 8854072), (16, 5533795), (20, 4427036), (40, 2213518), (80, 1106759), (557, 158960), (1114, 79480), (1987, 44560), (2228, 39740), (2785, 31792), (3974, 22280), (4456, 19870), (5570, 15896), (7948, 11140), (8912, 9935)]