22720240

素因数分解:

$2^4\times 5^1\times {\mathrm{284003}}^1$

素因数の和:284016

約数の個数: 20

約数和(自身を含む): 52824744

約数和(自身を除く): 30104504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 284003, 568006, 1136012, 1420015, 2272024, 2840030, 4544048, 5680060, 11360120, 22720240]

約数ペア:

[(1, 22720240), (2, 11360120), (4, 5680060), (5, 4544048), (8, 2840030), (10, 2272024), (16, 1420015), (20, 1136012), (40, 568006), (80, 284003)]