268538240

素因数分解:

$2^7\times 5^1\times {\mathrm{419591}}^1$

素因数の和:419610

約数の個数: 32

約数和(自身を含む): 641975760

約数和(自身を除く): 373437520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 419591, 839182, 1678364, 2097955, 3356728, 4195910, 6713456, 8391820, 13426912, 16783640, 26853824, 33567280, 53707648, 67134560, 134269120, 268538240]

約数ペア:

[(1, 268538240), (2, 134269120), (4, 67134560), (5, 53707648), (8, 33567280), (10, 26853824), (16, 16783640), (20, 13426912), (32, 8391820), (40, 6713456), (64, 4195910), (80, 3356728), (128, 2097955), (160, 1678364), (320, 839182), (640, 419591)]