644550080

素因数分解:

$2^6\times 5^1\times {\mathrm{2014219}}^1$

素因数の和:2014236

約数の個数: 28

約数和(自身を含む): 1534835640

約数和(自身を除く): 890285560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2014219, 4028438, 8056876, 10071095, 16113752, 20142190, 32227504, 40284380, 64455008, 80568760, 128910016, 161137520, 322275040, 644550080]

約数ペア:

[(1, 644550080), (2, 322275040), (4, 161137520), (5, 128910016), (8, 80568760), (10, 64455008), (16, 40284380), (20, 32227504), (32, 20142190), (40, 16113752), (64, 10071095), (80, 8056876), (160, 4028438), (320, 2014219)]