1040240

素因数分解:

$2^4\times 5^1\times {\mathrm{13003}}^1$

素因数の和:13016

約数の個数: 20

約数和(自身を含む): 2418744

約数和(自身を除く): 1378504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 13003, 26006, 52012, 65015, 104024, 130030, 208048, 260060, 520120, 1040240]

約数ペア:

[(1, 1040240), (2, 520120), (4, 260060), (5, 208048), (8, 130030), (10, 104024), (16, 65015), (20, 52012), (40, 26006), (80, 13003)]