39212440

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12409}}^1$

素因数の和:12499

約数の個数: 32

約数和(自身を含む): 89352000

約数和(自身を除く): 50139560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 12409, 24818, 49636, 62045, 99272, 124090, 248180, 496360, 980311, 1960622, 3921244, 4901555, 7842488, 9803110, 19606220, 39212440]

約数ペア:

[(1, 39212440), (2, 19606220), (4, 9803110), (5, 7842488), (8, 4901555), (10, 3921244), (20, 1960622), (40, 980311), (79, 496360), (158, 248180), (316, 124090), (395, 99272), (632, 62045), (790, 49636), (1580, 24818), (3160, 12409)]