40642384

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{28541}}^1$

素因数の和:28638

約数の個数: 20

約数和(自身を含む): 79632180

約数和(自身を除く): 38989796

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 28541, 57082, 114164, 228328, 456656, 2540149, 5080298, 10160596, 20321192, 40642384]

約数ペア:

[(1, 40642384), (2, 20321192), (4, 10160596), (8, 5080298), (16, 2540149), (89, 456656), (178, 228328), (356, 114164), (712, 57082), (1424, 28541)]