11939560

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{709}}^1$

素因数の和:1141

約数の個数: 32

約数和(自身を含む): 26965800

約数和(自身を除く): 15026240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 709, 842, 1418, 1684, 2105, 2836, 3368, 3545, 4210, 5672, 7090, 8420, 14180, 16840, 28360, 298489, 596978, 1193956, 1492445, 2387912, 2984890, 5969780, 11939560]

約数ペア:

[(1, 11939560), (2, 5969780), (4, 2984890), (5, 2387912), (8, 1492445), (10, 1193956), (20, 596978), (40, 298489), (421, 28360), (709, 16840), (842, 14180), (1418, 8420), (1684, 7090), (2105, 5672), (2836, 4210), (3368, 3545)]