157301960

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{4861}}^1$

素因数の和:5681

約数の個数: 32

約数和(自身を含む): 354439800

約数和(自身を除く): 197137840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 809, 1618, 3236, 4045, 4861, 6472, 8090, 9722, 16180, 19444, 24305, 32360, 38888, 48610, 97220, 194440, 3932549, 7865098, 15730196, 19662745, 31460392, 39325490, 78650980, 157301960]

約数ペア:

[(1, 157301960), (2, 78650980), (4, 39325490), (5, 31460392), (8, 19662745), (10, 15730196), (20, 7865098), (40, 3932549), (809, 194440), (1618, 97220), (3236, 48610), (4045, 38888), (4861, 32360), (6472, 24305), (8090, 19444), (9722, 16180)]