199940960

素因数分解:

$2^5\times 5^1\times {\mathrm{1249631}}^1$

素因数の和:1249646

約数の個数: 24

約数和(自身を含む): 472360896

約数和(自身を除く): 272419936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1249631, 2499262, 4998524, 6248155, 9997048, 12496310, 19994096, 24992620, 39988192, 49985240, 99970480, 199940960]

約数ペア:

[(1, 199940960), (2, 99970480), (4, 49985240), (5, 39988192), (8, 24992620), (10, 19994096), (16, 12496310), (20, 9997048), (32, 6248155), (40, 4998524), (80, 2499262), (160, 1249631)]