28671020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{204793}}^1$

素因数の和:204809

約数の個数: 24

約数和(自身を含む): 68810784

約数和(自身を除く): 40139764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 204793, 409586, 819172, 1023965, 1433551, 2047930, 2867102, 4095860, 5734204, 7167755, 14335510, 28671020]

約数ペア:

[(1, 28671020), (2, 14335510), (4, 7167755), (5, 5734204), (7, 4095860), (10, 2867102), (14, 2047930), (20, 1433551), (28, 1023965), (35, 819172), (70, 409586), (140, 204793)]