27348980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71971}}^1$

素因数の和:71999

約数の個数: 24

約数和(自身を含む): 60456480

約数和(自身を除く): 33107500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 71971, 143942, 287884, 359855, 719710, 1367449, 1439420, 2734898, 5469796, 6837245, 13674490, 27348980]

約数ペア:

[(1, 27348980), (2, 13674490), (4, 6837245), (5, 5469796), (10, 2734898), (19, 1439420), (20, 1367449), (38, 719710), (76, 359855), (95, 287884), (190, 143942), (380, 71971)]