164033540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1823}}^1$

素因数の和:2252

約数の個数: 48

約数和(自身を含む): 376911360

約数和(自身を除く): 212877820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 409, 818, 1636, 1823, 2045, 3646, 4090, 4499, 7292, 8180, 8998, 9115, 17996, 18230, 20053, 22495, 36460, 40106, 44990, 80212, 89980, 100265, 200530, 401060, 745607, 1491214, 2982428, 3728035, 7456070, 8201677, 14912140, 16403354, 32806708, 41008385, 82016770, 164033540]

約数ペア:

[(1, 164033540), (2, 82016770), (4, 41008385), (5, 32806708), (10, 16403354), (11, 14912140), (20, 8201677), (22, 7456070), (44, 3728035), (55, 2982428), (110, 1491214), (220, 745607), (409, 401060), (818, 200530), (1636, 100265), (1823, 89980), (2045, 80212), (3646, 44990), (4090, 40106), (4499, 36460), (7292, 22495), (8180, 20053), (8998, 18230), (9115, 17996)]