12697900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2953}}^1$

素因数の和:3010

約数の個数: 36

約数和(自身を含む): 28204792

約数和(自身を除く): 15506892

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 2953, 4300, 5906, 11812, 14765, 29530, 59060, 73825, 126979, 147650, 253958, 295300, 507916, 634895, 1269790, 2539580, 3174475, 6348950, 12697900]

約数ペア:

[(1, 12697900), (2, 6348950), (4, 3174475), (5, 2539580), (10, 1269790), (20, 634895), (25, 507916), (43, 295300), (50, 253958), (86, 147650), (100, 126979), (172, 73825), (215, 59060), (430, 29530), (860, 14765), (1075, 11812), (2150, 5906), (2953, 4300)]