64973200

素因数分解:

$2^4\times 5^2\times {\mathrm{127}}^1\times {\mathrm{1279}}^1$

素因数の和:1424

約数の個数: 60

約数和(自身を含む): 157450240

約数和(自身を除く): 92477040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 127, 200, 254, 400, 508, 635, 1016, 1270, 1279, 2032, 2540, 2558, 3175, 5080, 5116, 6350, 6395, 10160, 10232, 12700, 12790, 20464, 25400, 25580, 31975, 50800, 51160, 63950, 102320, 127900, 162433, 255800, 324866, 511600, 649732, 812165, 1299464, 1624330, 2598928, 3248660, 4060825, 6497320, 8121650, 12994640, 16243300, 32486600, 64973200]

約数ペア:

[(1, 64973200), (2, 32486600), (4, 16243300), (5, 12994640), (8, 8121650), (10, 6497320), (16, 4060825), (20, 3248660), (25, 2598928), (40, 1624330), (50, 1299464), (80, 812165), (100, 649732), (127, 511600), (200, 324866), (254, 255800), (400, 162433), (508, 127900), (635, 102320), (1016, 63950), (1270, 51160), (1279, 50800), (2032, 31975), (2540, 25580), (2558, 25400), (3175, 20464), (5080, 12790), (5116, 12700), (6350, 10232), (6395, 10160)]