201207780520

素因数分解:

$2^3\times 5^1\times {\mathrm{463}}^1\times {\mathrm{10864351}}^1$

素因数の和:10864825

約数の個数: 32

約数和(自身を含む): 453695339520

約数和(自身を除く): 252487559000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 463, 926, 1852, 2315, 3704, 4630, 9260, 18520, 10864351, 21728702, 43457404, 54321755, 86914808, 108643510, 217287020, 434574040, 5030194513, 10060389026, 20120778052, 25150972565, 40241556104, 50301945130, 100603890260, 201207780520]

約数ペア:

[(1, 201207780520), (2, 100603890260), (4, 50301945130), (5, 40241556104), (8, 25150972565), (10, 20120778052), (20, 10060389026), (40, 5030194513), (463, 434574040), (926, 217287020), (1852, 108643510), (2315, 86914808), (3704, 54321755), (4630, 43457404), (9260, 21728702), (18520, 10864351)]