201315280

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{6469}}^1$

素因数の和:6871

約数の個数: 40

約数和(自身を含む): 469333800

約数和(自身を除く): 268018520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1945, 3112, 3890, 6224, 6469, 7780, 12938, 15560, 25876, 31120, 32345, 51752, 64690, 103504, 129380, 258760, 517520, 2516441, 5032882, 10065764, 12582205, 20131528, 25164410, 40263056, 50328820, 100657640, 201315280]

約数ペア:

[(1, 201315280), (2, 100657640), (4, 50328820), (5, 40263056), (8, 25164410), (10, 20131528), (16, 12582205), (20, 10065764), (40, 5032882), (80, 2516441), (389, 517520), (778, 258760), (1556, 129380), (1945, 103504), (3112, 64690), (3890, 51752), (6224, 32345), (6469, 31120), (7780, 25876), (12938, 15560)]