28213180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61333}}^1$

素因数の和:61365

約数の個数: 24

約数和(自身を含む): 61824672

約数和(自身を除く): 33611492

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 61333, 122666, 245332, 306665, 613330, 1226660, 1410659, 2821318, 5642636, 7053295, 14106590, 28213180]

約数ペア:

[(1, 28213180), (2, 14106590), (4, 7053295), (5, 5642636), (10, 2821318), (20, 1410659), (23, 1226660), (46, 613330), (92, 306665), (115, 245332), (230, 122666), (460, 61333)]