67958320

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20719}}^1$

素因数の和:20773

約数の個数: 40

約数和(自身を含む): 161864640

約数和(自身を除く): 93906320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 20719, 41438, 82876, 103595, 165752, 207190, 331504, 414380, 828760, 849479, 1657520, 1698958, 3397916, 4247395, 6795832, 8494790, 13591664, 16989580, 33979160, 67958320]

約数ペア:

[(1, 67958320), (2, 33979160), (4, 16989580), (5, 13591664), (8, 8494790), (10, 6795832), (16, 4247395), (20, 3397916), (40, 1698958), (41, 1657520), (80, 849479), (82, 828760), (164, 414380), (205, 331504), (328, 207190), (410, 165752), (656, 103595), (820, 82876), (1640, 41438), (3280, 20719)]