28641620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{204583}}^1$

素因数の和:204599

約数の個数: 24

約数和(自身を含む): 68740224

約数和(自身を除く): 40098604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 204583, 409166, 818332, 1022915, 1432081, 2045830, 2864162, 4091660, 5728324, 7160405, 14320810, 28641620]

約数ペア:

[(1, 28641620), (2, 14320810), (4, 7160405), (5, 5728324), (7, 4091660), (10, 2864162), (14, 2045830), (20, 1432081), (28, 1022915), (35, 818332), (70, 409166), (140, 204583)]