9721840

素因数分解:

$2^4\times 5^1\times {\mathrm{121523}}^1$

素因数の和:121536

約数の個数: 20

約数和(自身を含む): 22603464

約数和(自身を除く): 12881624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 121523, 243046, 486092, 607615, 972184, 1215230, 1944368, 2430460, 4860920, 9721840]

約数ペア:

[(1, 9721840), (2, 4860920), (4, 2430460), (5, 1944368), (8, 1215230), (10, 972184), (16, 607615), (20, 486092), (40, 243046), (80, 121523)]