80197456

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{44357}}^1$

素因数の和:44478

約数の個数: 20

約数和(自身を含む): 156761172

約数和(自身を除く): 76563716

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 44357, 88714, 177428, 354856, 709712, 5012341, 10024682, 20049364, 40098728, 80197456]

約数ペア:

[(1, 80197456), (2, 40098728), (4, 20049364), (8, 10024682), (16, 5012341), (113, 709712), (226, 354856), (452, 177428), (904, 88714), (1808, 44357)]