138553600

素因数分解:

$2^8\times 5^2\times {\mathrm{21649}}^1$

素因数の和:21675

約数の個数: 54

約数和(自身を含む): 342957650

約数和(自身を除く): 204404050

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 21649, 43298, 86596, 108245, 173192, 216490, 346384, 432980, 541225, 692768, 865960, 1082450, 1385536, 1731920, 2164900, 2771072, 3463840, 4329800, 5542144, 6927680, 8659600, 13855360, 17319200, 27710720, 34638400, 69276800, 138553600]

約数ペア:

[(1, 138553600), (2, 69276800), (4, 34638400), (5, 27710720), (8, 17319200), (10, 13855360), (16, 8659600), (20, 6927680), (25, 5542144), (32, 4329800), (40, 3463840), (50, 2771072), (64, 2164900), (80, 1731920), (100, 1385536), (128, 1082450), (160, 865960), (200, 692768), (256, 541225), (320, 432980), (400, 346384), (640, 216490), (800, 173192), (1280, 108245), (1600, 86596), (3200, 43298), (6400, 21649)]