28205600

素因数分解:

$2^5\times 5^2\times {\mathrm{35257}}^1$

素因数の和:35277

約数の個数: 36

約数和(自身を含む): 68858874

約数和(自身を除く): 40653274

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 35257, 70514, 141028, 176285, 282056, 352570, 564112, 705140, 881425, 1128224, 1410280, 1762850, 2820560, 3525700, 5641120, 7051400, 14102800, 28205600]

約数ペア:

[(1, 28205600), (2, 14102800), (4, 7051400), (5, 5641120), (8, 3525700), (10, 2820560), (16, 1762850), (20, 1410280), (25, 1128224), (32, 881425), (40, 705140), (50, 564112), (80, 352570), (100, 282056), (160, 176285), (200, 141028), (400, 70514), (800, 35257)]