12756500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{823}}^1$

素因数の和:873

約数の個数: 48

約数和(自身を含む): 28793856

約数和(自身を除く): 16037356

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 500, 620, 775, 823, 1550, 1646, 3100, 3292, 3875, 4115, 7750, 8230, 15500, 16460, 20575, 25513, 41150, 51026, 82300, 102052, 102875, 127565, 205750, 255130, 411500, 510260, 637825, 1275650, 2551300, 3189125, 6378250, 12756500]

約数ペア:

[(1, 12756500), (2, 6378250), (4, 3189125), (5, 2551300), (10, 1275650), (20, 637825), (25, 510260), (31, 411500), (50, 255130), (62, 205750), (100, 127565), (124, 102875), (125, 102052), (155, 82300), (250, 51026), (310, 41150), (500, 25513), (620, 20575), (775, 16460), (823, 15500), (1550, 8230), (1646, 7750), (3100, 4115), (3292, 3875)]