66639800

素因数分解:

$2^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{3299}}^1$

素因数の和:3416

約数の個数: 48

約数和(自身を含む): 156519000

約数和(自身を除く): 89879200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 200, 202, 404, 505, 808, 1010, 2020, 2525, 3299, 4040, 5050, 6598, 10100, 13196, 16495, 20200, 26392, 32990, 65980, 82475, 131960, 164950, 329900, 333199, 659800, 666398, 1332796, 1665995, 2665592, 3331990, 6663980, 8329975, 13327960, 16659950, 33319900, 66639800]

約数ペア:

[(1, 66639800), (2, 33319900), (4, 16659950), (5, 13327960), (8, 8329975), (10, 6663980), (20, 3331990), (25, 2665592), (40, 1665995), (50, 1332796), (100, 666398), (101, 659800), (200, 333199), (202, 329900), (404, 164950), (505, 131960), (808, 82475), (1010, 65980), (2020, 32990), (2525, 26392), (3299, 20200), (4040, 16495), (5050, 13196), (6598, 10100)]