401284160

素因数分解:

$2^6\times 5^1\times {\mathrm{1254013}}^1$

素因数の和:1254030

約数の個数: 28

約数和(自身を含む): 955558668

約数和(自身を除く): 554274508

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1254013, 2508026, 5016052, 6270065, 10032104, 12540130, 20064208, 25080260, 40128416, 50160520, 80256832, 100321040, 200642080, 401284160]

約数ペア:

[(1, 401284160), (2, 200642080), (4, 100321040), (5, 80256832), (8, 50160520), (10, 40128416), (16, 25080260), (20, 20064208), (32, 12540130), (40, 10032104), (64, 6270065), (80, 5016052), (160, 2508026), (320, 1254013)]