2080990160

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{604939}}^1$

素因数の和:604995

約数の個数: 40

約数和(自身を含む): 4950828960

約数和(自身を除く): 2869838800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 604939, 1209878, 2419756, 3024695, 4839512, 6049390, 9679024, 12098780, 24197560, 26012377, 48395120, 52024754, 104049508, 130061885, 208099016, 260123770, 416198032, 520247540, 1040495080, 2080990160]

約数ペア:

[(1, 2080990160), (2, 1040495080), (4, 520247540), (5, 416198032), (8, 260123770), (10, 208099016), (16, 130061885), (20, 104049508), (40, 52024754), (43, 48395120), (80, 26012377), (86, 24197560), (172, 12098780), (215, 9679024), (344, 6049390), (430, 4839512), (688, 3024695), (860, 2419756), (1720, 1209878), (3440, 604939)]