2016529960

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{566441}}^1$

素因数の和:566541

約数の個数: 32

約数和(自身を含む): 4588180200

約数和(自身を除く): 2571650240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 566441, 1132882, 2265764, 2832205, 4531528, 5664410, 11328820, 22657640, 50413249, 100826498, 201652996, 252066245, 403305992, 504132490, 1008264980, 2016529960]

約数ペア:

[(1, 2016529960), (2, 1008264980), (4, 504132490), (5, 403305992), (8, 252066245), (10, 201652996), (20, 100826498), (40, 50413249), (89, 22657640), (178, 11328820), (356, 5664410), (445, 4531528), (712, 2832205), (890, 2265764), (1780, 1132882), (3560, 566441)]