671960

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 1535760

約数和(自身を除く): 863800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 157, 214, 314, 428, 535, 628, 785, 856, 1070, 1256, 1570, 2140, 3140, 4280, 6280, 16799, 33598, 67196, 83995, 134392, 167990, 335980, 671960]

約数ペア:

[(1, 671960), (2, 335980), (4, 167990), (5, 134392), (8, 83995), (10, 67196), (20, 33598), (40, 16799), (107, 6280), (157, 4280), (214, 3140), (314, 2140), (428, 1570), (535, 1256), (628, 1070), (785, 856)]