19906448240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{35547229}}^1$

素因数の和:35547249

約数の個数: 40

約数和(自身を含む): 52894278240

約数和(自身を除く): 32987830000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 35547229, 71094458, 142188916, 177736145, 248830603, 284377832, 355472290, 497661206, 568755664, 710944580, 995322412, 1244153015, 1421889160, 1990644824, 2488306030, 2843778320, 3981289648, 4976612060, 9953224120, 19906448240]

約数ペア:

[(1, 19906448240), (2, 9953224120), (4, 4976612060), (5, 3981289648), (7, 2843778320), (8, 2488306030), (10, 1990644824), (14, 1421889160), (16, 1244153015), (20, 995322412), (28, 710944580), (35, 568755664), (40, 497661206), (56, 355472290), (70, 284377832), (80, 248830603), (112, 177736145), (140, 142188916), (280, 71094458), (560, 35547229)]