68639600

素因数分解:

$2^4\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1699}}^1$

素因数の和:1818

約数の個数: 60

約数和(自身を含む): 166637400

約数和(自身を除く): 97997800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 101, 200, 202, 400, 404, 505, 808, 1010, 1616, 1699, 2020, 2525, 3398, 4040, 5050, 6796, 8080, 8495, 10100, 13592, 16990, 20200, 27184, 33980, 40400, 42475, 67960, 84950, 135920, 169900, 171599, 339800, 343198, 679600, 686396, 857995, 1372792, 1715990, 2745584, 3431980, 4289975, 6863960, 8579950, 13727920, 17159900, 34319800, 68639600]

約数ペア:

[(1, 68639600), (2, 34319800), (4, 17159900), (5, 13727920), (8, 8579950), (10, 6863960), (16, 4289975), (20, 3431980), (25, 2745584), (40, 1715990), (50, 1372792), (80, 857995), (100, 686396), (101, 679600), (200, 343198), (202, 339800), (400, 171599), (404, 169900), (505, 135920), (808, 84950), (1010, 67960), (1616, 42475), (1699, 40400), (2020, 33980), (2525, 27184), (3398, 20200), (4040, 16990), (5050, 13592), (6796, 10100), (8080, 8495)]