8889412682320

素因数分解:

$2^4\times 5^1\times {\mathrm{111117658529}}^1$

素因数の和:111117658542

約数の個数: 20

約数和(自身を含む): 20667884486580

約数和(自身を除く): 11778471804260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 111117658529, 222235317058, 444470634116, 555588292645, 888941268232, 1111176585290, 1777882536464, 2222353170580, 4444706341160, 8889412682320]

約数ペア:

[(1, 8889412682320), (2, 4444706341160), (4, 2222353170580), (5, 1777882536464), (8, 1111176585290), (10, 888941268232), (16, 555588292645), (20, 444470634116), (40, 222235317058), (80, 111117658529)]