156972040

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{11117}}^1$

素因数の和:11481

約数の個数: 32

約数和(自身を含む): 354219480

約数和(自身を除く): 197247440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 7060, 11117, 14120, 22234, 44468, 55585, 88936, 111170, 222340, 444680, 3924301, 7848602, 15697204, 19621505, 31394408, 39243010, 78486020, 156972040]

約数ペア:

[(1, 156972040), (2, 78486020), (4, 39243010), (5, 31394408), (8, 19621505), (10, 15697204), (20, 7848602), (40, 3924301), (353, 444680), (706, 222340), (1412, 111170), (1765, 88936), (2824, 55585), (3530, 44468), (7060, 22234), (11117, 14120)]