10921840

素因数分解:

$2^4\times 5^1\times {\mathrm{136523}}^1$

素因数の和:136536

約数の個数: 20

約数和(自身を含む): 25393464

約数和(自身を除く): 14471624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 136523, 273046, 546092, 682615, 1092184, 1365230, 2184368, 2730460, 5460920, 10921840]

約数ペア:

[(1, 10921840), (2, 5460920), (4, 2730460), (5, 2184368), (8, 1365230), (10, 1092184), (16, 682615), (20, 546092), (40, 273046), (80, 136523)]