12929670400

素因数分解:

$2^8\times 5^2\times {\mathrm{2020261}}^1$

素因数の和:2020287

約数の個数: 54

約数和(自身を含む): 32002970342

約数和(自身を除く): 19073299942

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, 2020261, 4040522, 8081044, 10101305, 16162088, 20202610, 32324176, 40405220, 50506525, 64648352, 80810440, 101013050, 129296704, 161620880, 202026100, 258593408, 323241760, 404052200, 517186816, 646483520, 808104400, 1292967040, 1616208800, 2585934080, 3232417600, 6464835200, 12929670400]

約数ペア:

[(1, 12929670400), (2, 6464835200), (4, 3232417600), (5, 2585934080), (8, 1616208800), (10, 1292967040), (16, 808104400), (20, 646483520), (25, 517186816), (32, 404052200), (40, 323241760), (50, 258593408), (64, 202026100), (80, 161620880), (100, 129296704), (128, 101013050), (160, 80810440), (200, 64648352), (256, 50506525), (320, 40405220), (400, 32324176), (640, 20202610), (800, 16162088), (1280, 10101305), (1600, 8081044), (3200, 4040522), (6400, 2020261)]