13191140

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4201}}^1$

素因数の和:4367

約数の個数: 24

約数和(自身を含む): 27884472

約数和(自身を除く): 14693332

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 4201, 8402, 16804, 21005, 42010, 84020, 659557, 1319114, 2638228, 3297785, 6595570, 13191140]

約数ペア:

[(1, 13191140), (2, 6595570), (4, 3297785), (5, 2638228), (10, 1319114), (20, 659557), (157, 84020), (314, 42010), (628, 21005), (785, 16804), (1570, 8402), (3140, 4201)]