260522720

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{12821}}^1$

素因数の和:12963

約数の個数: 48

約数和(自身を含む): 620379648

約数和(自身を除く): 359856928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 10160, 12821, 20320, 25642, 51284, 64105, 102568, 128210, 205136, 256420, 410272, 512840, 1025680, 1628267, 2051360, 3256534, 6513068, 8141335, 13026136, 16282670, 26052272, 32565340, 52104544, 65130680, 130261360, 260522720]

約数ペア:

[(1, 260522720), (2, 130261360), (4, 65130680), (5, 52104544), (8, 32565340), (10, 26052272), (16, 16282670), (20, 13026136), (32, 8141335), (40, 6513068), (80, 3256534), (127, 2051360), (160, 1628267), (254, 1025680), (508, 512840), (635, 410272), (1016, 256420), (1270, 205136), (2032, 128210), (2540, 102568), (4064, 64105), (5080, 51284), (10160, 25642), (12821, 20320)]