52978000

素因数分解:

$2^4\times 5^3\times {\mathrm{26489}}^1$

素因数の和:26512

約数の個数: 40

約数和(自身を含む): 128105640

約数和(自身を除く): 75127640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 26489, 52978, 105956, 132445, 211912, 264890, 423824, 529780, 662225, 1059560, 1324450, 2119120, 2648900, 3311125, 5297800, 6622250, 10595600, 13244500, 26489000, 52978000]

約数ペア:

[(1, 52978000), (2, 26489000), (4, 13244500), (5, 10595600), (8, 6622250), (10, 5297800), (16, 3311125), (20, 2648900), (25, 2119120), (40, 1324450), (50, 1059560), (80, 662225), (100, 529780), (125, 423824), (200, 264890), (250, 211912), (400, 132445), (500, 105956), (1000, 52978), (2000, 26489)]