25431140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{487}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 61324032

約数和(自身を除く): 35892892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 373, 487, 746, 974, 1492, 1865, 1948, 2435, 2611, 3409, 3730, 4870, 5222, 6818, 7460, 9740, 10444, 13055, 13636, 17045, 26110, 34090, 52220, 68180, 181651, 363302, 726604, 908255, 1271557, 1816510, 2543114, 3633020, 5086228, 6357785, 12715570, 25431140]

約数ペア:

[(1, 25431140), (2, 12715570), (4, 6357785), (5, 5086228), (7, 3633020), (10, 2543114), (14, 1816510), (20, 1271557), (28, 908255), (35, 726604), (70, 363302), (140, 181651), (373, 68180), (487, 52220), (746, 34090), (974, 26110), (1492, 17045), (1865, 13636), (1948, 13055), (2435, 10444), (2611, 9740), (3409, 7460), (3730, 6818), (4870, 5222)]