66423440

素因数分解:

$2^4\times 5^1\times {\mathrm{830293}}^1$

素因数の和:830306

約数の個数: 20

約数和(自身を含む): 154434684

約数和(自身を除く): 88011244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 830293, 1660586, 3321172, 4151465, 6642344, 8302930, 13284688, 16605860, 33211720, 66423440]

約数ペア:

[(1, 66423440), (2, 33211720), (4, 16605860), (5, 13284688), (8, 8302930), (10, 6642344), (16, 4151465), (20, 3321172), (40, 1660586), (80, 830293)]