51002180

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 109737264

約数和(自身を除く): 58735084

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 181, 193, 292, 362, 365, 386, 724, 730, 772, 905, 965, 1460, 1810, 1930, 3620, 3860, 13213, 14089, 26426, 28178, 34933, 52852, 56356, 66065, 69866, 70445, 132130, 139732, 140890, 174665, 264260, 281780, 349330, 698660, 2550109, 5100218, 10200436, 12750545, 25501090, 51002180]

約数ペア:

[(1, 51002180), (2, 25501090), (4, 12750545), (5, 10200436), (10, 5100218), (20, 2550109), (73, 698660), (146, 349330), (181, 281780), (193, 264260), (292, 174665), (362, 140890), (365, 139732), (386, 132130), (724, 70445), (730, 69866), (772, 66065), (905, 56356), (965, 52852), (1460, 34933), (1810, 28178), (1930, 26426), (3620, 14089), (3860, 13213)]