28533260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{203809}}^1$

素因数の和:203825

約数の個数: 24

約数和(自身を含む): 68480160

約数和(自身を除く): 39946900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 203809, 407618, 815236, 1019045, 1426663, 2038090, 2853326, 4076180, 5706652, 7133315, 14266630, 28533260]

約数ペア:

[(1, 28533260), (2, 14266630), (4, 7133315), (5, 5706652), (7, 4076180), (10, 2853326), (14, 2038090), (20, 1426663), (28, 1019045), (35, 815236), (70, 407618), (140, 203809)]