68804980

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{51347}}^1$

素因数の和:51423

約数の個数: 24

約数和(自身を含む): 146649888

約数和(自身を除く): 77844908

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 51347, 102694, 205388, 256735, 513470, 1026940, 3440249, 6880498, 13760996, 17201245, 34402490, 68804980]

約数ペア:

[(1, 68804980), (2, 34402490), (4, 17201245), (5, 13760996), (10, 6880498), (20, 3440249), (67, 1026940), (134, 513470), (268, 256735), (335, 205388), (670, 102694), (1340, 51347)]