39881872

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{80407}}^1$

素因数の和:80446

約数の個数: 20

約数和(自身を含む): 79764736

約数和(自身を除く): 39882864

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 80407, 160814, 321628, 643256, 1286512, 2492617, 4985234, 9970468, 19940936, 39881872]

約数ペア:

[(1, 39881872), (2, 19940936), (4, 9970468), (8, 4985234), (16, 2492617), (31, 1286512), (62, 643256), (124, 321628), (248, 160814), (496, 80407)]