39964528

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{9719}}^1$

素因数の和:9984

約数の個数: 20

約数和(自身を含む): 77740560

約数和(自身を除く): 37776032

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 9719, 19438, 38876, 77752, 155504, 2497783, 4995566, 9991132, 19982264, 39964528]

約数ペア:

[(1, 39964528), (2, 19982264), (4, 9991132), (8, 4995566), (16, 2497783), (257, 155504), (514, 77752), (1028, 38876), (2056, 19438), (4112, 9719)]