164432440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{111103}}^1$

素因数の和:111151

約数の個数: 32

約数和(自身を含む): 379975680

約数和(自身を除く): 215543240

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 111103, 222206, 444412, 555515, 888824, 1111030, 2222060, 4110811, 4444120, 8221622, 16443244, 20554055, 32886488, 41108110, 82216220, 164432440]

約数ペア:

[(1, 164432440), (2, 82216220), (4, 41108110), (5, 32886488), (8, 20554055), (10, 16443244), (20, 8221622), (37, 4444120), (40, 4110811), (74, 2222060), (148, 1111030), (185, 888824), (296, 555515), (370, 444412), (740, 222206), (1480, 111103)]