99972440

素因数分解:

$2^3\times 5^1\times {\mathrm{2499311}}^1$

素因数の和:2499322

約数の個数: 16

約数和(自身を含む): 224938080

約数和(自身を除く): 124965640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2499311, 4998622, 9997244, 12496555, 19994488, 24993110, 49986220, 99972440]

約数ペア:

[(1, 99972440), (2, 49986220), (4, 24993110), (5, 19994488), (8, 12496555), (10, 9997244), (20, 4998622), (40, 2499311)]