26138800

素因数分解:

$2^4\times 5^2\times {\mathrm{101}}^1\times {\mathrm{647}}^1$

素因数の和:766

約数の個数: 60

約数和(自身を含む): 63518256

約数和(自身を除く): 37379456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 101, 200, 202, 400, 404, 505, 647, 808, 1010, 1294, 1616, 2020, 2525, 2588, 3235, 4040, 5050, 5176, 6470, 8080, 10100, 10352, 12940, 16175, 20200, 25880, 32350, 40400, 51760, 64700, 65347, 129400, 130694, 258800, 261388, 326735, 522776, 653470, 1045552, 1306940, 1633675, 2613880, 3267350, 5227760, 6534700, 13069400, 26138800]

約数ペア:

[(1, 26138800), (2, 13069400), (4, 6534700), (5, 5227760), (8, 3267350), (10, 2613880), (16, 1633675), (20, 1306940), (25, 1045552), (40, 653470), (50, 522776), (80, 326735), (100, 261388), (101, 258800), (200, 130694), (202, 129400), (400, 65347), (404, 64700), (505, 51760), (647, 40400), (808, 32350), (1010, 25880), (1294, 20200), (1616, 16175), (2020, 12940), (2525, 10352), (2588, 10100), (3235, 8080), (4040, 6470), (5050, 5176)]