157037120

素因数分解:

$2^6\times 5^1\times {\mathrm{490741}}^1$

素因数の和:490758

約数の個数: 28

約数和(自身を含む): 373945404

約数和(自身を除く): 216908284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 490741, 981482, 1962964, 2453705, 3925928, 4907410, 7851856, 9814820, 15703712, 19629640, 31407424, 39259280, 78518560, 157037120]

約数ペア:

[(1, 157037120), (2, 78518560), (4, 39259280), (5, 31407424), (8, 19629640), (10, 15703712), (16, 9814820), (20, 7851856), (32, 4907410), (40, 3925928), (64, 2453705), (80, 1962964), (160, 981482), (320, 490741)]