401026420

素因数分解:

$2^2\times 5^1\times {\mathrm{3511}}^1\times {\mathrm{5711}}^1$

素因数の和:9231

約数の個数: 24

約数和(自身を含む): 842542848

約数和(自身を除く): 441516428

約数列:

[1, 2, 4, 5, 10, 20, 3511, 5711, 7022, 11422, 14044, 17555, 22844, 28555, 35110, 57110, 70220, 114220, 20051321, 40102642, 80205284, 100256605, 200513210, 401026420]

約数ペア:

[(1, 401026420), (2, 200513210), (4, 100256605), (5, 80205284), (10, 40102642), (20, 20051321), (3511, 114220), (5711, 70220), (7022, 57110), (11422, 35110), (14044, 28555), (17555, 22844)]