80142520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^2\times {\mathrm{907}}^1$

素因数の和:1012

約数の個数: 48

約数和(自身を含む): 184442040

約数和(自身を除く): 104299520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 907, 940, 1814, 1880, 2209, 3628, 4418, 4535, 7256, 8836, 9070, 11045, 17672, 18140, 22090, 36280, 42629, 44180, 85258, 88360, 170516, 213145, 341032, 426290, 852580, 1705160, 2003563, 4007126, 8014252, 10017815, 16028504, 20035630, 40071260, 80142520]

約数ペア:

[(1, 80142520), (2, 40071260), (4, 20035630), (5, 16028504), (8, 10017815), (10, 8014252), (20, 4007126), (40, 2003563), (47, 1705160), (94, 852580), (188, 426290), (235, 341032), (376, 213145), (470, 170516), (907, 88360), (940, 85258), (1814, 44180), (1880, 42629), (2209, 36280), (3628, 22090), (4418, 18140), (4535, 17672), (7256, 11045), (8836, 9070)]