259051960

素因数分解:

$2^3\times 5^1\times {\mathrm{911}}^1\times {\mathrm{7109}}^1$

素因数の和:8031

約数の個数: 32

約数和(自身を含む): 583588800

約数和(自身を除く): 324536840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 911, 1822, 3644, 4555, 7109, 7288, 9110, 14218, 18220, 28436, 35545, 36440, 56872, 71090, 142180, 284360, 6476299, 12952598, 25905196, 32381495, 51810392, 64762990, 129525980, 259051960]

約数ペア:

[(1, 259051960), (2, 129525980), (4, 64762990), (5, 51810392), (8, 32381495), (10, 25905196), (20, 12952598), (40, 6476299), (911, 284360), (1822, 142180), (3644, 71090), (4555, 56872), (7109, 36440), (7288, 35545), (9110, 28436), (14218, 18220)]