40004912

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{108709}}^1$

素因数の和:108740

約数の個数: 20

約数和(自身を含む): 80880240

約数和(自身を除く): 40875328

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 108709, 217418, 434836, 869672, 1739344, 2500307, 5000614, 10001228, 20002456, 40004912]

約数ペア:

[(1, 40004912), (2, 20002456), (4, 10001228), (8, 5000614), (16, 2500307), (23, 1739344), (46, 869672), (92, 434836), (184, 217418), (368, 108709)]