215566520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{10111}}^1$

素因数の和:10176

約数の個数: 64

約数和(自身を含む): 535127040

約数和(自身を除く): 319560520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1640, 2132, 2665, 4264, 5330, 10111, 10660, 20222, 21320, 40444, 50555, 80888, 101110, 131443, 202220, 262886, 404440, 414551, 525772, 657215, 829102, 1051544, 1314430, 1658204, 2072755, 2628860, 3316408, 4145510, 5257720, 5389163, 8291020, 10778326, 16582040, 21556652, 26945815, 43113304, 53891630, 107783260, 215566520]

約数ペア:

[(1, 215566520), (2, 107783260), (4, 53891630), (5, 43113304), (8, 26945815), (10, 21556652), (13, 16582040), (20, 10778326), (26, 8291020), (40, 5389163), (41, 5257720), (52, 4145510), (65, 3316408), (82, 2628860), (104, 2072755), (130, 1658204), (164, 1314430), (205, 1051544), (260, 829102), (328, 657215), (410, 525772), (520, 414551), (533, 404440), (820, 262886), (1066, 202220), (1640, 131443), (2132, 101110), (2665, 80888), (4264, 50555), (5330, 40444), (10111, 21320), (10660, 20222)]