67181860

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{40471}}^1$

素因数の和:40563

約数の個数: 24

約数和(自身を含む): 142785216

約数和(自身を除く): 75603356

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 40471, 80942, 161884, 202355, 404710, 809420, 3359093, 6718186, 13436372, 16795465, 33590930, 67181860]

約数ペア:

[(1, 67181860), (2, 33590930), (4, 16795465), (5, 13436372), (10, 6718186), (20, 3359093), (83, 809420), (166, 404710), (332, 202355), (415, 161884), (830, 80942), (1660, 40471)]