26640420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{444007}}^1$

素因数の和:444019

約数の個数: 24

約数和(自身を含む): 74593344

約数和(自身を除く): 47952924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 444007, 888014, 1332021, 1776028, 2220035, 2664042, 4440070, 5328084, 6660105, 8880140, 13320210, 26640420]

約数ペア:

[(1, 26640420), (2, 13320210), (3, 8880140), (4, 6660105), (5, 5328084), (6, 4440070), (10, 2664042), (12, 2220035), (15, 1776028), (20, 1332021), (30, 888014), (60, 444007)]