80111187280

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8861857}}^1$

素因数の和:8861983

約数の個数: 40

約数和(自身を含む): 187906837032

約数和(自身を除く): 107795649752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 8861857, 17723714, 35447428, 44309285, 70894856, 88618570, 141789712, 177237140, 354474280, 708948560, 1001389841, 2002779682, 4005559364, 5006949205, 8011118728, 10013898410, 16022237456, 20027796820, 40055593640, 80111187280]

約数ペア:

[(1, 80111187280), (2, 40055593640), (4, 20027796820), (5, 16022237456), (8, 10013898410), (10, 8011118728), (16, 5006949205), (20, 4005559364), (40, 2002779682), (80, 1001389841), (113, 708948560), (226, 354474280), (452, 177237140), (565, 141789712), (904, 88618570), (1130, 70894856), (1808, 44309285), (2260, 35447428), (4520, 17723714), (9040, 8861857)]