8320880

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2213}}^1$

素因数の和:2273

約数の個数: 40

約数和(自身を含む): 19766592

約数和(自身を除く): 11445712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 2213, 3760, 4426, 8852, 11065, 17704, 22130, 35408, 44260, 88520, 104011, 177040, 208022, 416044, 520055, 832088, 1040110, 1664176, 2080220, 4160440, 8320880]

約数ペア:

[(1, 8320880), (2, 4160440), (4, 2080220), (5, 1664176), (8, 1040110), (10, 832088), (16, 520055), (20, 416044), (40, 208022), (47, 177040), (80, 104011), (94, 88520), (188, 44260), (235, 35408), (376, 22130), (470, 17704), (752, 11065), (940, 8852), (1880, 4426), (2213, 3760)]