5146640

素因数分解:

$2^4\times 5^1\times {\mathrm{64333}}^1$

素因数の和:64346

約数の個数: 20

約数和(自身を含む): 11966124

約数和(自身を除く): 6819484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 64333, 128666, 257332, 321665, 514664, 643330, 1029328, 1286660, 2573320, 5146640]

約数ペア:

[(1, 5146640), (2, 2573320), (4, 1286660), (5, 1029328), (8, 643330), (10, 514664), (16, 321665), (20, 257332), (40, 128666), (80, 64333)]