80715693440

素因数分解:

$2^7\times 5^1\times {\mathrm{126118271}}^1$

素因数の和:126118290

約数の個数: 32

約数和(自身を含む): 192960956160

約数和(自身を除く): 112245262720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 126118271, 252236542, 504473084, 630591355, 1008946168, 1261182710, 2017892336, 2522365420, 4035784672, 5044730840, 8071569344, 10089461680, 16143138688, 20178923360, 40357846720, 80715693440]

約数ペア:

[(1, 80715693440), (2, 40357846720), (4, 20178923360), (5, 16143138688), (8, 10089461680), (10, 8071569344), (16, 5044730840), (20, 4035784672), (32, 2522365420), (40, 2017892336), (64, 1261182710), (80, 1008946168), (128, 630591355), (160, 504473084), (320, 252236542), (640, 126118271)]