2012040260

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{258617}}^1$

素因数の和:259015

約数の個数: 24

約数和(自身を含む): 4236162840

約数和(自身を除く): 2224122580

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 258617, 517234, 1034468, 1293085, 2586170, 5172340, 100602013, 201204026, 402408052, 503010065, 1006020130, 2012040260]

約数ペア:

[(1, 2012040260), (2, 1006020130), (4, 503010065), (5, 402408052), (10, 201204026), (20, 100602013), (389, 5172340), (778, 2586170), (1556, 1293085), (1945, 1034468), (3890, 517234), (7780, 258617)]