67654280

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{3701}}^1$

素因数の和:4169

約数の個数: 32

約数和(自身を含む): 152596440

約数和(自身を除く): 84942160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1828, 2285, 3656, 3701, 4570, 7402, 9140, 14804, 18280, 18505, 29608, 37010, 74020, 148040, 1691357, 3382714, 6765428, 8456785, 13530856, 16913570, 33827140, 67654280]

約数ペア:

[(1, 67654280), (2, 33827140), (4, 16913570), (5, 13530856), (8, 8456785), (10, 6765428), (20, 3382714), (40, 1691357), (457, 148040), (914, 74020), (1828, 37010), (2285, 29608), (3656, 18505), (3701, 18280), (4570, 14804), (7402, 9140)]