8225440

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1$

素因数の和:625

約数の個数: 48

約数和(自身を含む): 19663560

約数和(自身を除く): 11438120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 509, 808, 1010, 1018, 1616, 2020, 2036, 2545, 3232, 4040, 4072, 5090, 8080, 8144, 10180, 16160, 16288, 20360, 40720, 51409, 81440, 102818, 205636, 257045, 411272, 514090, 822544, 1028180, 1645088, 2056360, 4112720, 8225440]

約数ペア:

[(1, 8225440), (2, 4112720), (4, 2056360), (5, 1645088), (8, 1028180), (10, 822544), (16, 514090), (20, 411272), (32, 257045), (40, 205636), (80, 102818), (101, 81440), (160, 51409), (202, 40720), (404, 20360), (505, 16288), (509, 16160), (808, 10180), (1010, 8144), (1018, 8080), (1616, 5090), (2020, 4072), (2036, 4040), (2545, 3232)]