104020120

素因数分解:

$2^3\times 5^1\times {\mathrm{2600503}}^1$

素因数の和:2600514

約数の個数: 16

約数和(自身を含む): 234045360

約数和(自身を除く): 130025240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2600503, 5201006, 10402012, 13002515, 20804024, 26005030, 52010060, 104020120]

約数ペア:

[(1, 104020120), (2, 52010060), (4, 26005030), (5, 20804024), (8, 13002515), (10, 10402012), (20, 5201006), (40, 2600503)]