51723980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{33587}}^1$

素因数の和:33614

約数の個数: 48

約数和(自身を含む): 135426816

約数和(自身を除く): 83702836

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 33587, 67174, 134348, 167935, 235109, 335870, 369457, 470218, 671740, 738914, 940436, 1175545, 1477828, 1847285, 2351090, 2586199, 3694570, 4702180, 5172398, 7389140, 10344796, 12930995, 25861990, 51723980]

約数ペア:

[(1, 51723980), (2, 25861990), (4, 12930995), (5, 10344796), (7, 7389140), (10, 5172398), (11, 4702180), (14, 3694570), (20, 2586199), (22, 2351090), (28, 1847285), (35, 1477828), (44, 1175545), (55, 940436), (70, 738914), (77, 671740), (110, 470218), (140, 369457), (154, 335870), (220, 235109), (308, 167935), (385, 134348), (770, 67174), (1540, 33587)]