66664120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{72461}}^1$

素因数の和:72495

約数の個数: 32

約数和(自身を含む): 156517920

約数和(自身を除く): 89853800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 72461, 144922, 289844, 362305, 579688, 724610, 1449220, 1666603, 2898440, 3333206, 6666412, 8333015, 13332824, 16666030, 33332060, 66664120]

約数ペア:

[(1, 66664120), (2, 33332060), (4, 16666030), (5, 13332824), (8, 8333015), (10, 6666412), (20, 3333206), (23, 2898440), (40, 1666603), (46, 1449220), (92, 724610), (115, 579688), (184, 362305), (230, 289844), (460, 144922), (920, 72461)]