138028480

素因数分解:

$2^6\times 5^1\times {\mathrm{431339}}^1$

素因数の和:431356

約数の個数: 28

約数和(自身を含む): 328681080

約数和(自身を除く): 190652600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 431339, 862678, 1725356, 2156695, 3450712, 4313390, 6901424, 8626780, 13802848, 17253560, 27605696, 34507120, 69014240, 138028480]

約数ペア:

[(1, 138028480), (2, 69014240), (4, 34507120), (5, 27605696), (8, 17253560), (10, 13802848), (16, 8626780), (20, 6901424), (32, 4313390), (40, 3450712), (64, 2156695), (80, 1725356), (160, 862678), (320, 431339)]