25552870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:337

約数の個数: 64

約数和(自身を含む): 56453760

約数和(自身を除く): 30900890

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 109, 119, 170, 197, 218, 238, 394, 545, 595, 763, 985, 1090, 1190, 1379, 1526, 1853, 1970, 2758, 3349, 3706, 3815, 6698, 6895, 7630, 9265, 12971, 13790, 16745, 18530, 21473, 23443, 25942, 33490, 42946, 46886, 64855, 107365, 117215, 129710, 150311, 214730, 234430, 300622, 365041, 730082, 751555, 1503110, 1825205, 2555287, 3650410, 5110574, 12776435, 25552870]

約数ペア:

[(1, 25552870), (2, 12776435), (5, 5110574), (7, 3650410), (10, 2555287), (14, 1825205), (17, 1503110), (34, 751555), (35, 730082), (70, 365041), (85, 300622), (109, 234430), (119, 214730), (170, 150311), (197, 129710), (218, 117215), (238, 107365), (394, 64855), (545, 46886), (595, 42946), (763, 33490), (985, 25942), (1090, 23443), (1190, 21473), (1379, 18530), (1526, 16745), (1853, 13790), (1970, 12971), (2758, 9265), (3349, 7630), (3706, 6895), (3815, 6698)]