145520120

素因数分解:

$2^3\times 5^1\times {\mathrm{3638003}}^1$

素因数の和:3638014

約数の個数: 16

約数和(自身を含む): 327420360

約数和(自身を除く): 181900240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3638003, 7276006, 14552012, 18190015, 29104024, 36380030, 72760060, 145520120]

約数ペア:

[(1, 145520120), (2, 72760060), (4, 36380030), (5, 29104024), (8, 18190015), (10, 14552012), (20, 7276006), (40, 3638003)]