201238640

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{18097}}^1$

素因数の和:18249

約数の個数: 40

約数和(自身を含む): 471271920

約数和(自身を除く): 270033280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 18097, 36194, 72388, 90485, 144776, 180970, 289552, 361940, 723880, 1447760, 2515483, 5030966, 10061932, 12577415, 20123864, 25154830, 40247728, 50309660, 100619320, 201238640]

約数ペア:

[(1, 201238640), (2, 100619320), (4, 50309660), (5, 40247728), (8, 25154830), (10, 20123864), (16, 12577415), (20, 10061932), (40, 5030966), (80, 2515483), (139, 1447760), (278, 723880), (556, 361940), (695, 289552), (1112, 180970), (1390, 144776), (2224, 90485), (2780, 72388), (5560, 36194), (11120, 18097)]