180739255280

素因数分解:

$2^4\times 5^1\times {\mathrm{2259240691}}^1$

素因数の和:2259240704

約数の個数: 20

約数和(自身を含む): 420218768712

約数和(自身を除く): 239479513432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2259240691, 4518481382, 9036962764, 11296203455, 18073925528, 22592406910, 36147851056, 45184813820, 90369627640, 180739255280]

約数ペア:

[(1, 180739255280), (2, 90369627640), (4, 45184813820), (5, 36147851056), (8, 22592406910), (10, 18073925528), (16, 11296203455), (20, 9036962764), (40, 4518481382), (80, 2259240691)]