25419020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2687}}^1$

素因数の和:2750

約数の個数: 48

約数和(自身を含む): 59609088

約数和(自身を除く): 34190068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 2687, 4730, 5374, 9460, 10748, 13435, 26870, 29557, 53740, 59114, 115541, 118228, 147785, 231082, 295570, 462164, 577705, 591140, 1155410, 1270951, 2310820, 2541902, 5083804, 6354755, 12709510, 25419020]

約数ペア:

[(1, 25419020), (2, 12709510), (4, 6354755), (5, 5083804), (10, 2541902), (11, 2310820), (20, 1270951), (22, 1155410), (43, 591140), (44, 577705), (55, 462164), (86, 295570), (110, 231082), (172, 147785), (215, 118228), (220, 115541), (430, 59114), (473, 53740), (860, 29557), (946, 26870), (1892, 13435), (2365, 10748), (2687, 9460), (4730, 5374)]