419715760

素因数分解:

$2^4\times 5^1\times {\mathrm{5246447}}^1$

素因数の和:5246460

約数の個数: 20

約数和(自身を含む): 975839328

約数和(自身を除く): 556123568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5246447, 10492894, 20985788, 26232235, 41971576, 52464470, 83943152, 104928940, 209857880, 419715760]

約数ペア:

[(1, 419715760), (2, 209857880), (4, 104928940), (5, 83943152), (8, 52464470), (10, 41971576), (16, 26232235), (20, 20985788), (40, 10492894), (80, 5246447)]