54712780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{143981}}^1$

素因数の和:144009

約数の個数: 24

約数和(自身を含む): 120944880

約数和(自身を除く): 66232100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 143981, 287962, 575924, 719905, 1439810, 2735639, 2879620, 5471278, 10942556, 13678195, 27356390, 54712780]

約数ペア:

[(1, 54712780), (2, 27356390), (4, 13678195), (5, 10942556), (10, 5471278), (19, 2879620), (20, 2735639), (38, 1439810), (76, 719905), (95, 575924), (190, 287962), (380, 143981)]