13688920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{48889}}^1$

素因数の和:48907

約数の個数: 32

約数和(自身を含む): 35200800

約数和(自身を除く): 21511880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 48889, 97778, 195556, 244445, 342223, 391112, 488890, 684446, 977780, 1368892, 1711115, 1955560, 2737784, 3422230, 6844460, 13688920]

約数ペア:

[(1, 13688920), (2, 6844460), (4, 3422230), (5, 2737784), (7, 1955560), (8, 1711115), (10, 1368892), (14, 977780), (20, 684446), (28, 488890), (35, 391112), (40, 342223), (56, 244445), (70, 195556), (140, 97778), (280, 48889)]