380680240

素因数分解:

$2^4\times 5^1\times {\mathrm{4758503}}^1$

素因数の和:4758516

約数の個数: 20

約数和(自身を含む): 885081744

約数和(自身を除く): 504401504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4758503, 9517006, 19034012, 23792515, 38068024, 47585030, 76136048, 95170060, 190340120, 380680240]

約数ペア:

[(1, 380680240), (2, 190340120), (4, 95170060), (5, 76136048), (8, 47585030), (10, 38068024), (16, 23792515), (20, 19034012), (40, 9517006), (80, 4758503)]