12709000

素因数分解:

$2^3\times 5^3\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 30326400

約数和(自身を除く): 17617400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 125, 142, 179, 200, 250, 284, 355, 358, 500, 568, 710, 716, 895, 1000, 1420, 1432, 1775, 1790, 2840, 3550, 3580, 4475, 7100, 7160, 8875, 8950, 12709, 14200, 17750, 17900, 22375, 25418, 35500, 35800, 44750, 50836, 63545, 71000, 89500, 101672, 127090, 179000, 254180, 317725, 508360, 635450, 1270900, 1588625, 2541800, 3177250, 6354500, 12709000]

約数ペア:

[(1, 12709000), (2, 6354500), (4, 3177250), (5, 2541800), (8, 1588625), (10, 1270900), (20, 635450), (25, 508360), (40, 317725), (50, 254180), (71, 179000), (100, 127090), (125, 101672), (142, 89500), (179, 71000), (200, 63545), (250, 50836), (284, 44750), (355, 35800), (358, 35500), (500, 25418), (568, 22375), (710, 17900), (716, 17750), (895, 14200), (1000, 12709), (1420, 8950), (1432, 8875), (1775, 7160), (1790, 7100), (2840, 4475), (3550, 3580)]