80521744

素因数分解:

$2^4\times {\mathrm{419}}^1\times {\mathrm{12011}}^1$

素因数の和:12438

約数の個数: 20

約数和(自身を含む): 156396240

約数和(自身を除く): 75874496

約数列:

[1, 2, 4, 8, 16, 419, 838, 1676, 3352, 6704, 12011, 24022, 48044, 96088, 192176, 5032609, 10065218, 20130436, 40260872, 80521744]

約数ペア:

[(1, 80521744), (2, 40260872), (4, 20130436), (8, 10065218), (16, 5032609), (419, 192176), (838, 96088), (1676, 48044), (3352, 24022), (6704, 12011)]