65284160

素因数分解:

$2^6\times 5^1\times {\mathrm{204013}}^1$

素因数の和:204030

約数の個数: 28

約数和(自身を含む): 155458668

約数和(自身を除く): 90174508

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 204013, 408026, 816052, 1020065, 1632104, 2040130, 3264208, 4080260, 6528416, 8160520, 13056832, 16321040, 32642080, 65284160]

約数ペア:

[(1, 65284160), (2, 32642080), (4, 16321040), (5, 13056832), (8, 8160520), (10, 6528416), (16, 4080260), (20, 3264208), (32, 2040130), (40, 1632104), (64, 1020065), (80, 816052), (160, 408026), (320, 204013)]