81688370

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{1951}}^1$

素因数の和:2090

約数の個数: 32

約数和(自身を含む): 151787520

約数和(自身を除く): 70099150

約数列:

[1, 2, 5, 10, 53, 79, 106, 158, 265, 395, 530, 790, 1951, 3902, 4187, 8374, 9755, 19510, 20935, 41870, 103403, 154129, 206806, 308258, 517015, 770645, 1034030, 1541290, 8168837, 16337674, 40844185, 81688370]

約数ペア:

[(1, 81688370), (2, 40844185), (5, 16337674), (10, 8168837), (53, 1541290), (79, 1034030), (106, 770645), (158, 517015), (265, 308258), (395, 206806), (530, 154129), (790, 103403), (1951, 41870), (3902, 20935), (4187, 19510), (8374, 9755)]