12499000

素因数分解:

$2^3\times 5^3\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 30326400

約数和(自身を除く): 17827400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 125, 145, 200, 232, 250, 290, 431, 500, 580, 725, 862, 1000, 1160, 1450, 1724, 2155, 2900, 3448, 3625, 4310, 5800, 7250, 8620, 10775, 12499, 14500, 17240, 21550, 24998, 29000, 43100, 49996, 53875, 62495, 86200, 99992, 107750, 124990, 215500, 249980, 312475, 431000, 499960, 624950, 1249900, 1562375, 2499800, 3124750, 6249500, 12499000]

約数ペア:

[(1, 12499000), (2, 6249500), (4, 3124750), (5, 2499800), (8, 1562375), (10, 1249900), (20, 624950), (25, 499960), (29, 431000), (40, 312475), (50, 249980), (58, 215500), (100, 124990), (116, 107750), (125, 99992), (145, 86200), (200, 62495), (232, 53875), (250, 49996), (290, 43100), (431, 29000), (500, 24998), (580, 21550), (725, 17240), (862, 14500), (1000, 12499), (1160, 10775), (1450, 8620), (1724, 7250), (2155, 5800), (2900, 4310), (3448, 3625)]