78051320

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{4657}}^1$

素因数の和:5087

約数の個数: 32

約数和(自身を含む): 176072400

約数和(自身を除く): 98021080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 4657, 8380, 9314, 16760, 18628, 23285, 37256, 46570, 93140, 186280, 1951283, 3902566, 7805132, 9756415, 15610264, 19512830, 39025660, 78051320]

約数ペア:

[(1, 78051320), (2, 39025660), (4, 19512830), (5, 15610264), (8, 9756415), (10, 7805132), (20, 3902566), (40, 1951283), (419, 186280), (838, 93140), (1676, 46570), (2095, 37256), (3352, 23285), (4190, 18628), (4657, 16760), (8380, 9314)]