205202440

素因数分解:

$2^3\times 5^1\times {\mathrm{2011}}^1\times {\mathrm{2551}}^1$

素因数の和:4573

約数の個数: 32

約数和(自身を含む): 462116160

約数和(自身を除く): 256913720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2011, 2551, 4022, 5102, 8044, 10055, 10204, 12755, 16088, 20110, 20408, 25510, 40220, 51020, 80440, 102040, 5130061, 10260122, 20520244, 25650305, 41040488, 51300610, 102601220, 205202440]

約数ペア:

[(1, 205202440), (2, 102601220), (4, 51300610), (5, 41040488), (8, 25650305), (10, 20520244), (20, 10260122), (40, 5130061), (2011, 102040), (2551, 80440), (4022, 51020), (5102, 40220), (8044, 25510), (10055, 20408), (10204, 20110), (12755, 16088)]