12748750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:107

約数の個数: 80

約数和(自身を含む): 28790784

約数和(自身を除く): 16042034

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 47, 50, 62, 70, 94, 125, 155, 175, 217, 235, 250, 310, 329, 350, 434, 470, 625, 658, 775, 875, 1085, 1175, 1250, 1457, 1550, 1645, 1750, 2170, 2350, 2914, 3290, 3875, 4375, 5425, 5875, 7285, 7750, 8225, 8750, 10199, 10850, 11750, 14570, 16450, 19375, 20398, 27125, 29375, 36425, 38750, 41125, 50995, 54250, 58750, 72850, 82250, 101990, 135625, 182125, 205625, 254975, 271250, 364250, 411250, 509950, 910625, 1274875, 1821250, 2549750, 6374375, 12748750]

約数ペア:

[(1, 12748750), (2, 6374375), (5, 2549750), (7, 1821250), (10, 1274875), (14, 910625), (25, 509950), (31, 411250), (35, 364250), (47, 271250), (50, 254975), (62, 205625), (70, 182125), (94, 135625), (125, 101990), (155, 82250), (175, 72850), (217, 58750), (235, 54250), (250, 50995), (310, 41125), (329, 38750), (350, 36425), (434, 29375), (470, 27125), (625, 20398), (658, 19375), (775, 16450), (875, 14570), (1085, 11750), (1175, 10850), (1250, 10199), (1457, 8750), (1550, 8225), (1645, 7750), (1750, 7285), (2170, 5875), (2350, 5425), (2914, 4375), (3290, 3875)]