78602120

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{2423}}^1$

素因数の和:3245

約数の個数: 32

約数和(自身を含む): 177145920

約数和(自身を除く): 98543800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 2423, 3244, 4055, 4846, 6488, 8110, 9692, 12115, 16220, 19384, 24230, 32440, 48460, 96920, 1965053, 3930106, 7860212, 9825265, 15720424, 19650530, 39301060, 78602120]

約数ペア:

[(1, 78602120), (2, 39301060), (4, 19650530), (5, 15720424), (8, 9825265), (10, 7860212), (20, 3930106), (40, 1965053), (811, 96920), (1622, 48460), (2423, 32440), (3244, 24230), (4055, 19384), (4846, 16220), (6488, 12115), (8110, 9692)]