87220720

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{23197}}^1$

素因数の和:23257

約数の個数: 40

約数和(自身を含む): 207111744

約数和(自身を除く): 119891024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 23197, 46394, 92788, 115985, 185576, 231970, 371152, 463940, 927880, 1090259, 1855760, 2180518, 4361036, 5451295, 8722072, 10902590, 17444144, 21805180, 43610360, 87220720]

約数ペア:

[(1, 87220720), (2, 43610360), (4, 21805180), (5, 17444144), (8, 10902590), (10, 8722072), (16, 5451295), (20, 4361036), (40, 2180518), (47, 1855760), (80, 1090259), (94, 927880), (188, 463940), (235, 371152), (376, 231970), (470, 185576), (752, 115985), (940, 92788), (1880, 46394), (3760, 23197)]