28305440260

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2716453}}^1$

素因数の和:2716983

約数の個数: 24

約数和(自身を含む): 59555537496

約数和(自身を除く): 31250097236

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 10420, 2716453, 5432906, 10865812, 13582265, 27164530, 54329060, 1415272013, 2830544026, 5661088052, 7076360065, 14152720130, 28305440260]

約数ペア:

[(1, 28305440260), (2, 14152720130), (4, 7076360065), (5, 5661088052), (10, 2830544026), (20, 1415272013), (521, 54329060), (1042, 27164530), (2084, 13582265), (2605, 10865812), (5210, 5432906), (10420, 2716453)]