2800120

素因数分解:

$2^3\times 5^1\times {\mathrm{70003}}^1$

素因数の和:70014

約数の個数: 16

約数和(自身を含む): 6300360

約数和(自身を除く): 3500240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 70003, 140006, 280012, 350015, 560024, 700030, 1400060, 2800120]

約数ペア:

[(1, 2800120), (2, 1400060), (4, 700030), (5, 560024), (8, 350015), (10, 280012), (20, 140006), (40, 70003)]