67795220

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{3491}}^1$

素因数の和:4471

約数の個数: 24

約数和(自身を含む): 142557408

約数和(自身を除く): 74762188

約数列:

[1, 2, 4, 5, 10, 20, 971, 1942, 3491, 3884, 4855, 6982, 9710, 13964, 17455, 19420, 34910, 69820, 3389761, 6779522, 13559044, 16948805, 33897610, 67795220]

約数ペア:

[(1, 67795220), (2, 33897610), (4, 16948805), (5, 13559044), (10, 6779522), (20, 3389761), (971, 69820), (1942, 34910), (3491, 19420), (3884, 17455), (4855, 13964), (6982, 9710)]