72800240

素因数分解:

$2^4\times 5^1\times {\mathrm{910003}}^1$

素因数の和:910016

約数の個数: 20

約数和(自身を含む): 169260744

約数和(自身を除く): 96460504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 910003, 1820006, 3640012, 4550015, 7280024, 9100030, 14560048, 18200060, 36400120, 72800240]

約数ペア:

[(1, 72800240), (2, 36400120), (4, 18200060), (5, 14560048), (8, 9100030), (10, 7280024), (16, 4550015), (20, 3640012), (40, 1820006), (80, 910003)]