407514040

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{21269}}^1$

素因数の和:21759

約数の個数: 32

約数和(自身を含む): 918864000

約数和(自身を除く): 511349960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1916, 2395, 3832, 4790, 9580, 19160, 21269, 42538, 85076, 106345, 170152, 212690, 425380, 850760, 10187851, 20375702, 40751404, 50939255, 81502808, 101878510, 203757020, 407514040]

約数ペア:

[(1, 407514040), (2, 203757020), (4, 101878510), (5, 81502808), (8, 50939255), (10, 40751404), (20, 20375702), (40, 10187851), (479, 850760), (958, 425380), (1916, 212690), (2395, 170152), (3832, 106345), (4790, 85076), (9580, 42538), (19160, 21269)]