84361840

素因数分解:

$2^4\times 5^1\times {\mathrm{1054523}}^1$

素因数の和:1054536

約数の個数: 20

約数和(自身を含む): 196141464

約数和(自身を除く): 111779624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1054523, 2109046, 4218092, 5272615, 8436184, 10545230, 16872368, 21090460, 42180920, 84361840]

約数ペア:

[(1, 84361840), (2, 42180920), (4, 21090460), (5, 16872368), (8, 10545230), (10, 8436184), (16, 5272615), (20, 4218092), (40, 2109046), (80, 1054523)]