16450880

素因数分解:

$2^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1$

素因数の和:627

約数の個数: 56

約数和(自身を含む): 39639240

約数和(自身を除く): 23188360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 160, 202, 320, 404, 505, 509, 808, 1010, 1018, 1616, 2020, 2036, 2545, 3232, 4040, 4072, 5090, 6464, 8080, 8144, 10180, 16160, 16288, 20360, 32320, 32576, 40720, 51409, 81440, 102818, 162880, 205636, 257045, 411272, 514090, 822544, 1028180, 1645088, 2056360, 3290176, 4112720, 8225440, 16450880]

約数ペア:

[(1, 16450880), (2, 8225440), (4, 4112720), (5, 3290176), (8, 2056360), (10, 1645088), (16, 1028180), (20, 822544), (32, 514090), (40, 411272), (64, 257045), (80, 205636), (101, 162880), (160, 102818), (202, 81440), (320, 51409), (404, 40720), (505, 32576), (509, 32320), (808, 20360), (1010, 16288), (1018, 16160), (1616, 10180), (2020, 8144), (2036, 8080), (2545, 6464), (3232, 5090), (4040, 4072)]