68682080

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2179}}^1$

素因数の和:2391

約数の個数: 48

約数和(自身を含む): 163159920

約数和(自身を除く): 94477840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 985, 1576, 1970, 2179, 3152, 3940, 4358, 6304, 7880, 8716, 10895, 15760, 17432, 21790, 31520, 34864, 43580, 69728, 87160, 174320, 348640, 429263, 858526, 1717052, 2146315, 3434104, 4292630, 6868208, 8585260, 13736416, 17170520, 34341040, 68682080]

約数ペア:

[(1, 68682080), (2, 34341040), (4, 17170520), (5, 13736416), (8, 8585260), (10, 6868208), (16, 4292630), (20, 3434104), (32, 2146315), (40, 1717052), (80, 858526), (160, 429263), (197, 348640), (394, 174320), (788, 87160), (985, 69728), (1576, 43580), (1970, 34864), (2179, 31520), (3152, 21790), (3940, 17432), (4358, 15760), (6304, 10895), (7880, 8716)]