22495850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{653}}^1$

素因数の和:731

約数の個数: 48

約数和(自身を含む): 45981432

約数和(自身を除く): 23485582

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 130, 265, 325, 530, 650, 653, 689, 1306, 1325, 1378, 2650, 3265, 3445, 6530, 6890, 8489, 16325, 16978, 17225, 32650, 34450, 34609, 42445, 69218, 84890, 173045, 212225, 346090, 424450, 449917, 865225, 899834, 1730450, 2249585, 4499170, 11247925, 22495850]

約数ペア:

[(1, 22495850), (2, 11247925), (5, 4499170), (10, 2249585), (13, 1730450), (25, 899834), (26, 865225), (50, 449917), (53, 424450), (65, 346090), (106, 212225), (130, 173045), (265, 84890), (325, 69218), (530, 42445), (650, 34609), (653, 34450), (689, 32650), (1306, 17225), (1325, 16978), (1378, 16325), (2650, 8489), (3265, 6890), (3445, 6530)]