23205280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{20719}}^1$

素因数の和:20741

約数の個数: 48

約数和(自身を含む): 62657280

約数和(自身を除く): 39452000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 20719, 41438, 82876, 103595, 145033, 165752, 207190, 290066, 331504, 414380, 580132, 663008, 725165, 828760, 1160264, 1450330, 1657520, 2320528, 2900660, 3315040, 4641056, 5801320, 11602640, 23205280]

約数ペア:

[(1, 23205280), (2, 11602640), (4, 5801320), (5, 4641056), (7, 3315040), (8, 2900660), (10, 2320528), (14, 1657520), (16, 1450330), (20, 1160264), (28, 828760), (32, 725165), (35, 663008), (40, 580132), (56, 414380), (70, 331504), (80, 290066), (112, 207190), (140, 165752), (160, 145033), (224, 103595), (280, 82876), (560, 41438), (1120, 20719)]