73115440

素因数分解:

$2^4\times 5^1\times {\mathrm{913943}}^1$

素因数の和:913956

約数の個数: 20

約数和(自身を含む): 169993584

約数和(自身を除く): 96878144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 913943, 1827886, 3655772, 4569715, 7311544, 9139430, 14623088, 18278860, 36557720, 73115440]

約数ペア:

[(1, 73115440), (2, 36557720), (4, 18278860), (5, 14623088), (8, 9139430), (10, 7311544), (16, 4569715), (20, 3655772), (40, 1827886), (80, 913943)]