25898740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6379}}^1$

素因数の和:6424

約数の個数: 48

約数和(自身を含む): 64310400

約数和(自身を除く): 38411660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 6379, 12758, 25516, 31895, 44653, 63790, 89306, 127580, 178612, 184991, 223265, 369982, 446530, 739964, 893060, 924955, 1294937, 1849910, 2589874, 3699820, 5179748, 6474685, 12949370, 25898740]

約数ペア:

[(1, 25898740), (2, 12949370), (4, 6474685), (5, 5179748), (7, 3699820), (10, 2589874), (14, 1849910), (20, 1294937), (28, 924955), (29, 893060), (35, 739964), (58, 446530), (70, 369982), (116, 223265), (140, 184991), (145, 178612), (203, 127580), (290, 89306), (406, 63790), (580, 44653), (812, 31895), (1015, 25516), (2030, 12758), (4060, 6379)]