1081840

素因数分解:

$2^4\times 5^1\times {\mathrm{13523}}^1$

素因数の和:13536

約数の個数: 20

約数和(自身を含む): 2515464

約数和(自身を除く): 1433624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 13523, 27046, 54092, 67615, 108184, 135230, 216368, 270460, 540920, 1081840]

約数ペア:

[(1, 1081840), (2, 540920), (4, 270460), (5, 216368), (8, 135230), (10, 108184), (16, 67615), (20, 54092), (40, 27046), (80, 13523)]