28643600

素因数分解:

$2^4\times 5^2\times {\mathrm{101}}^1\times {\mathrm{709}}^1$

素因数の和:828

約数の個数: 60

約数和(自身を含む): 69595620

約数和(自身を除く): 40952020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 101, 200, 202, 400, 404, 505, 709, 808, 1010, 1418, 1616, 2020, 2525, 2836, 3545, 4040, 5050, 5672, 7090, 8080, 10100, 11344, 14180, 17725, 20200, 28360, 35450, 40400, 56720, 70900, 71609, 141800, 143218, 283600, 286436, 358045, 572872, 716090, 1145744, 1432180, 1790225, 2864360, 3580450, 5728720, 7160900, 14321800, 28643600]

約数ペア:

[(1, 28643600), (2, 14321800), (4, 7160900), (5, 5728720), (8, 3580450), (10, 2864360), (16, 1790225), (20, 1432180), (25, 1145744), (40, 716090), (50, 572872), (80, 358045), (100, 286436), (101, 283600), (200, 143218), (202, 141800), (400, 71609), (404, 70900), (505, 56720), (709, 40400), (808, 35450), (1010, 28360), (1418, 20200), (1616, 17725), (2020, 14180), (2525, 11344), (2836, 10100), (3545, 8080), (4040, 7090), (5050, 5672)]