1325480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2549}}^1$

素因数の和:2573

約数の個数: 32

約数和(自身を含む): 3213000

約数和(自身を除く): 1887520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2549, 5098, 10196, 12745, 20392, 25490, 33137, 50980, 66274, 101960, 132548, 165685, 265096, 331370, 662740, 1325480]

約数ペア:

[(1, 1325480), (2, 662740), (4, 331370), (5, 265096), (8, 165685), (10, 132548), (13, 101960), (20, 66274), (26, 50980), (40, 33137), (52, 25490), (65, 20392), (104, 12745), (130, 10196), (260, 5098), (520, 2549)]