138896360

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{51827}}^1$

素因数の和:51905

約数の個数: 32

約数和(自身を含む): 317187360

約数和(自身を除く): 178291000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 51827, 103654, 207308, 259135, 414616, 518270, 1036540, 2073080, 3472409, 6944818, 13889636, 17362045, 27779272, 34724090, 69448180, 138896360]

約数ペア:

[(1, 138896360), (2, 69448180), (4, 34724090), (5, 27779272), (8, 17362045), (10, 13889636), (20, 6944818), (40, 3472409), (67, 2073080), (134, 1036540), (268, 518270), (335, 414616), (536, 259135), (670, 207308), (1340, 103654), (2680, 51827)]