538082740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2069549}}^1$

素因数の和:2069571

約数の個数: 24

約数和(自身を含む): 1216895400

約数和(自身を除く): 678812660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2069549, 4139098, 8278196, 10347745, 20695490, 26904137, 41390980, 53808274, 107616548, 134520685, 269041370, 538082740]

約数ペア:

[(1, 538082740), (2, 269041370), (4, 134520685), (5, 107616548), (10, 53808274), (13, 41390980), (20, 26904137), (26, 20695490), (52, 10347745), (65, 8278196), (130, 4139098), (260, 2069549)]