2021806160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{9613}}^1$

素因数の和:9876

約数の個数: 80

約数和(自身を含む): 5150027520

約数和(自身を除く): 3128221360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 239, 440, 478, 880, 956, 1195, 1912, 2390, 2629, 3824, 4780, 5258, 9560, 9613, 10516, 13145, 19120, 19226, 21032, 26290, 38452, 42064, 48065, 52580, 76904, 96130, 105160, 105743, 153808, 192260, 210320, 211486, 384520, 422972, 528715, 769040, 845944, 1057430, 1691888, 2114860, 2297507, 4229720, 4595014, 8459440, 9190028, 11487535, 18380056, 22975070, 25272577, 36760112, 45950140, 50545154, 91900280, 101090308, 126362885, 183800560, 202180616, 252725770, 404361232, 505451540, 1010903080, 2021806160]

約数ペア:

[(1, 2021806160), (2, 1010903080), (4, 505451540), (5, 404361232), (8, 252725770), (10, 202180616), (11, 183800560), (16, 126362885), (20, 101090308), (22, 91900280), (40, 50545154), (44, 45950140), (55, 36760112), (80, 25272577), (88, 22975070), (110, 18380056), (176, 11487535), (220, 9190028), (239, 8459440), (440, 4595014), (478, 4229720), (880, 2297507), (956, 2114860), (1195, 1691888), (1912, 1057430), (2390, 845944), (2629, 769040), (3824, 528715), (4780, 422972), (5258, 384520), (9560, 211486), (9613, 210320), (10516, 192260), (13145, 153808), (19120, 105743), (19226, 105160), (21032, 96130), (26290, 76904), (38452, 52580), (42064, 48065)]