27771320

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1657}}^1$

素因数の和:2087

約数の個数: 32

約数和(自身を含む): 62672400

約数和(自身を除く): 34901080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1657, 1676, 2095, 3314, 3352, 4190, 6628, 8285, 8380, 13256, 16570, 16760, 33140, 66280, 694283, 1388566, 2777132, 3471415, 5554264, 6942830, 13885660, 27771320]

約数ペア:

[(1, 27771320), (2, 13885660), (4, 6942830), (5, 5554264), (8, 3471415), (10, 2777132), (20, 1388566), (40, 694283), (419, 66280), (838, 33140), (1657, 16760), (1676, 16570), (2095, 13256), (3314, 8380), (3352, 8285), (4190, 6628)]