139898120

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{27539}}^1$

素因数の和:27677

約数の個数: 32

約数和(自身を含む): 317260800

約数和(自身を除く): 177362680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 27539, 55078, 110156, 137695, 220312, 275390, 550780, 1101560, 3497453, 6994906, 13989812, 17487265, 27979624, 34974530, 69949060, 139898120]

約数ペア:

[(1, 139898120), (2, 69949060), (4, 34974530), (5, 27979624), (8, 17487265), (10, 13989812), (20, 6994906), (40, 3497453), (127, 1101560), (254, 550780), (508, 275390), (635, 220312), (1016, 137695), (1270, 110156), (2540, 55078), (5080, 27539)]