68738020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1097}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 156241008

約数和(自身を除く): 87502988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 241, 260, 482, 964, 1097, 1205, 2194, 2410, 3133, 4388, 4820, 5485, 6266, 10970, 12532, 14261, 15665, 21940, 28522, 31330, 57044, 62660, 71305, 142610, 264377, 285220, 528754, 1057508, 1321885, 2643770, 3436901, 5287540, 6873802, 13747604, 17184505, 34369010, 68738020]

約数ペア:

[(1, 68738020), (2, 34369010), (4, 17184505), (5, 13747604), (10, 6873802), (13, 5287540), (20, 3436901), (26, 2643770), (52, 1321885), (65, 1057508), (130, 528754), (241, 285220), (260, 264377), (482, 142610), (964, 71305), (1097, 62660), (1205, 57044), (2194, 31330), (2410, 28522), (3133, 21940), (4388, 15665), (4820, 14261), (5485, 12532), (6266, 10970)]