2541800

素因数分解:

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

素因数の和:266

約数の個数: 48

約数和(自身を含む): 6026400

約数和(自身を除く): 3484600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 179, 200, 284, 355, 358, 568, 710, 716, 895, 1420, 1432, 1775, 1790, 2840, 3550, 3580, 4475, 7100, 7160, 8950, 12709, 14200, 17900, 25418, 35800, 50836, 63545, 101672, 127090, 254180, 317725, 508360, 635450, 1270900, 2541800]

約数ペア:

[(1, 2541800), (2, 1270900), (4, 635450), (5, 508360), (8, 317725), (10, 254180), (20, 127090), (25, 101672), (40, 63545), (50, 50836), (71, 35800), (100, 25418), (142, 17900), (179, 14200), (200, 12709), (284, 8950), (355, 7160), (358, 7100), (568, 4475), (710, 3580), (716, 3550), (895, 2840), (1420, 1790), (1432, 1775)]