12121520

素因数分解:

$2^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{547}}^1$

素因数の和:837

約数の個数: 40

約数和(自身を含む): 28335984

約数和(自身を除く): 16214464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277, 547, 554, 1094, 1108, 1385, 2188, 2216, 2735, 2770, 4376, 4432, 5470, 5540, 8752, 10940, 11080, 21880, 22160, 43760, 151519, 303038, 606076, 757595, 1212152, 1515190, 2424304, 3030380, 6060760, 12121520]

約数ペア:

[(1, 12121520), (2, 6060760), (4, 3030380), (5, 2424304), (8, 1515190), (10, 1212152), (16, 757595), (20, 606076), (40, 303038), (80, 151519), (277, 43760), (547, 22160), (554, 21880), (1094, 11080), (1108, 10940), (1385, 8752), (2188, 5540), (2216, 5470), (2735, 4432), (2770, 4376)]