78820010

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{1171}}^1$

素因数の和:1358

約数の個数: 32

約数和(自身を含む): 145815552

約数和(自身を除く): 66995542

約数列:

[1, 2, 5, 10, 53, 106, 127, 254, 265, 530, 635, 1171, 1270, 2342, 5855, 6731, 11710, 13462, 33655, 62063, 67310, 124126, 148717, 297434, 310315, 620630, 743585, 1487170, 7882001, 15764002, 39410005, 78820010]

約数ペア:

[(1, 78820010), (2, 39410005), (5, 15764002), (10, 7882001), (53, 1487170), (106, 743585), (127, 620630), (254, 310315), (265, 297434), (530, 148717), (635, 124126), (1171, 67310), (1270, 62063), (2342, 33655), (5855, 13462), (6731, 11710)]