55542640

素因数分解:

$2^4\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1657}}^1$

素因数の和:2089

約数の個数: 40

約数和(自身を含む): 129522960

約数和(自身を除く): 73980320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 419, 838, 1657, 1676, 2095, 3314, 3352, 4190, 6628, 6704, 8285, 8380, 13256, 16570, 16760, 26512, 33140, 33520, 66280, 132560, 694283, 1388566, 2777132, 3471415, 5554264, 6942830, 11108528, 13885660, 27771320, 55542640]

約数ペア:

[(1, 55542640), (2, 27771320), (4, 13885660), (5, 11108528), (8, 6942830), (10, 5554264), (16, 3471415), (20, 2777132), (40, 1388566), (80, 694283), (419, 132560), (838, 66280), (1657, 33520), (1676, 33140), (2095, 26512), (3314, 16760), (3352, 16570), (4190, 13256), (6628, 8380), (6704, 8285)]