64680680

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{5101}}^1$

素因数の和:5429

約数の個数: 32

約数和(自身を含む): 146019240

約数和(自身を除く): 81338560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 5101, 6340, 10202, 12680, 20404, 25505, 40808, 51010, 102020, 204040, 1617017, 3234034, 6468068, 8085085, 12936136, 16170170, 32340340, 64680680]

約数ペア:

[(1, 64680680), (2, 32340340), (4, 16170170), (5, 12936136), (8, 8085085), (10, 6468068), (20, 3234034), (40, 1617017), (317, 204040), (634, 102020), (1268, 51010), (1585, 40808), (2536, 25505), (3170, 20404), (5101, 12680), (6340, 10202)]