27998240

素因数分解:

$2^5\times 5^1\times {\mathrm{174989}}^1$

素因数の和:175004

約数の個数: 24

約数和(自身を含む): 66146220

約数和(自身を除く): 38147980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 174989, 349978, 699956, 874945, 1399912, 1749890, 2799824, 3499780, 5599648, 6999560, 13999120, 27998240]

約数ペア:

[(1, 27998240), (2, 13999120), (4, 6999560), (5, 5599648), (8, 3499780), (10, 2799824), (16, 1749890), (20, 1399912), (32, 874945), (40, 699956), (80, 349978), (160, 174989)]