80338576

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{63559}}^1$

素因数の和:63646

約数の個数: 20

約数和(自身を含む): 157628800

約数和(自身を除く): 77290224

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 63559, 127118, 254236, 508472, 1016944, 5021161, 10042322, 20084644, 40169288, 80338576]

約数ペア:

[(1, 80338576), (2, 40169288), (4, 20084644), (8, 10042322), (16, 5021161), (79, 1016944), (158, 508472), (316, 254236), (632, 127118), (1264, 63559)]