858690640

素因数分解:

$2^4\times 5^1\times {\mathrm{827}}^1\times {\mathrm{12979}}^1$

素因数の和:13819

約数の個数: 40

約数和(自身を含む): 1999023840

約数和(自身を除く): 1140333200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 827, 1654, 3308, 4135, 6616, 8270, 12979, 13232, 16540, 25958, 33080, 51916, 64895, 66160, 103832, 129790, 207664, 259580, 519160, 1038320, 10733633, 21467266, 42934532, 53668165, 85869064, 107336330, 171738128, 214672660, 429345320, 858690640]

約数ペア:

[(1, 858690640), (2, 429345320), (4, 214672660), (5, 171738128), (8, 107336330), (10, 85869064), (16, 53668165), (20, 42934532), (40, 21467266), (80, 10733633), (827, 1038320), (1654, 519160), (3308, 259580), (4135, 207664), (6616, 129790), (8270, 103832), (12979, 66160), (13232, 64895), (16540, 51916), (25958, 33080)]