4906640

素因数分解:

$2^4\times 5^1\times {\mathrm{61333}}^1$

素因数の和:61346

約数の個数: 20

約数和(自身を含む): 11408124

約数和(自身を除く): 6501484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 61333, 122666, 245332, 306665, 490664, 613330, 981328, 1226660, 2453320, 4906640]

約数ペア:

[(1, 4906640), (2, 2453320), (4, 1226660), (5, 981328), (8, 613330), (10, 490664), (16, 306665), (20, 245332), (40, 122666), (80, 61333)]