51405080

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{19181}}^1$

素因数の和:19259

約数の個数: 32

約数和(自身を含む): 117393840

約数和(自身を除く): 65988760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 19181, 38362, 76724, 95905, 153448, 191810, 383620, 767240, 1285127, 2570254, 5140508, 6425635, 10281016, 12851270, 25702540, 51405080]

約数ペア:

[(1, 51405080), (2, 25702540), (4, 12851270), (5, 10281016), (8, 6425635), (10, 5140508), (20, 2570254), (40, 1285127), (67, 767240), (134, 383620), (268, 191810), (335, 153448), (536, 95905), (670, 76724), (1340, 38362), (2680, 19181)]