138156680

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{51551}}^1$

素因数の和:51629

約数の個数: 32

約数和(自身を含む): 315498240

約数和(自身を除く): 177341560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 51551, 103102, 206204, 257755, 412408, 515510, 1031020, 2062040, 3453917, 6907834, 13815668, 17269585, 27631336, 34539170, 69078340, 138156680]

約数ペア:

[(1, 138156680), (2, 69078340), (4, 34539170), (5, 27631336), (8, 17269585), (10, 13815668), (20, 6907834), (40, 3453917), (67, 2062040), (134, 1031020), (268, 515510), (335, 412408), (536, 257755), (670, 206204), (1340, 103102), (2680, 51551)]