52905680

素因数分解:

$2^4\times 5^1\times {\mathrm{661321}}^1$

素因数の和:661334

約数の個数: 20

約数和(自身を含む): 123005892

約数和(自身を除く): 70100212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 661321, 1322642, 2645284, 3306605, 5290568, 6613210, 10581136, 13226420, 26452840, 52905680]

約数ペア:

[(1, 52905680), (2, 26452840), (4, 13226420), (5, 10581136), (8, 6613210), (10, 5290568), (16, 3306605), (20, 2645284), (40, 1322642), (80, 661321)]