40646000

素因数分解:

$2^4\times 5^3\times {\mathrm{20323}}^1$

素因数の和:20346

約数の個数: 40

約数和(自身を含む): 98286864

約数和(自身を除く): 57640864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 20323, 40646, 81292, 101615, 162584, 203230, 325168, 406460, 508075, 812920, 1016150, 1625840, 2032300, 2540375, 4064600, 5080750, 8129200, 10161500, 20323000, 40646000]

約数ペア:

[(1, 40646000), (2, 20323000), (4, 10161500), (5, 8129200), (8, 5080750), (10, 4064600), (16, 2540375), (20, 2032300), (25, 1625840), (40, 1016150), (50, 812920), (80, 508075), (100, 406460), (125, 325168), (200, 203230), (250, 162584), (400, 101615), (500, 81292), (1000, 40646), (2000, 20323)]