131698240

素因数分解:

$2^6\times 5^1\times {\mathrm{411557}}^1$

素因数の和:411574

約数の個数: 28

約数和(自身を含む): 313607196

約数和(自身を除く): 181908956

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 411557, 823114, 1646228, 2057785, 3292456, 4115570, 6584912, 8231140, 13169824, 16462280, 26339648, 32924560, 65849120, 131698240]

約数ペア:

[(1, 131698240), (2, 65849120), (4, 32924560), (5, 26339648), (8, 16462280), (10, 13169824), (16, 8231140), (20, 6584912), (32, 4115570), (40, 3292456), (64, 2057785), (80, 1646228), (160, 823114), (320, 411557)]