1297132360

素因数分解:

$2^3\times 5^1\times {\mathrm{32428309}}^1$

素因数の和:32428320

約数の個数: 16

約数和(自身を含む): 2918547900

約数和(自身を除く): 1621415540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 32428309, 64856618, 129713236, 162141545, 259426472, 324283090, 648566180, 1297132360]

約数ペア:

[(1, 1297132360), (2, 648566180), (4, 324283090), (5, 259426472), (8, 162141545), (10, 129713236), (20, 64856618), (40, 32428309)]