12903200

素因数分解:

$2^5\times 5^2\times {\mathrm{127}}^2$

素因数の和:274

約数の個数: 54

約数和(自身を含む): 31749921

約数和(自身を除く): 18846721

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 127, 160, 200, 254, 400, 508, 635, 800, 1016, 1270, 2032, 2540, 3175, 4064, 5080, 6350, 10160, 12700, 16129, 20320, 25400, 32258, 50800, 64516, 80645, 101600, 129032, 161290, 258064, 322580, 403225, 516128, 645160, 806450, 1290320, 1612900, 2580640, 3225800, 6451600, 12903200]

約数ペア:

[(1, 12903200), (2, 6451600), (4, 3225800), (5, 2580640), (8, 1612900), (10, 1290320), (16, 806450), (20, 645160), (25, 516128), (32, 403225), (40, 322580), (50, 258064), (80, 161290), (100, 129032), (127, 101600), (160, 80645), (200, 64516), (254, 50800), (400, 32258), (508, 25400), (635, 20320), (800, 16129), (1016, 12700), (1270, 10160), (2032, 6350), (2540, 5080), (3175, 4064)]