65820020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20441}}^1$

素因数の和:20480

約数の個数: 48

約数和(自身を含む): 164844288

約数和(自身を除く): 99024268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 20441, 40882, 81764, 102205, 143087, 204410, 286174, 408820, 470143, 572348, 715435, 940286, 1430870, 1880572, 2350715, 2861740, 3291001, 4701430, 6582002, 9402860, 13164004, 16455005, 32910010, 65820020]

約数ペア:

[(1, 65820020), (2, 32910010), (4, 16455005), (5, 13164004), (7, 9402860), (10, 6582002), (14, 4701430), (20, 3291001), (23, 2861740), (28, 2350715), (35, 1880572), (46, 1430870), (70, 940286), (92, 715435), (115, 572348), (140, 470143), (161, 408820), (230, 286174), (322, 204410), (460, 143087), (644, 102205), (805, 81764), (1610, 40882), (3220, 20441)]