7993600

素因数分解:

$2^8\times 5^2\times {\mathrm{1249}}^1$

素因数の和:1275

約数の個数: 54

約数和(自身を含む): 19801250

約数和(自身を除く): 11807650

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, 1249, 1280, 1600, 2498, 3200, 4996, 6245, 6400, 9992, 12490, 19984, 24980, 31225, 39968, 49960, 62450, 79936, 99920, 124900, 159872, 199840, 249800, 319744, 399680, 499600, 799360, 999200, 1598720, 1998400, 3996800, 7993600]

約数ペア:

[(1, 7993600), (2, 3996800), (4, 1998400), (5, 1598720), (8, 999200), (10, 799360), (16, 499600), (20, 399680), (25, 319744), (32, 249800), (40, 199840), (50, 159872), (64, 124900), (80, 99920), (100, 79936), (128, 62450), (160, 49960), (200, 39968), (256, 31225), (320, 24980), (400, 19984), (640, 12490), (800, 9992), (1249, 6400), (1280, 6245), (1600, 4996), (2498, 3200)]