145681040

素因数分解:

$2^4\times 5^1\times {\mathrm{1821013}}^1$

素因数の和:1821026

約数の個数: 20

約数和(自身を含む): 338708604

約数和(自身を除く): 193027564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1821013, 3642026, 7284052, 9105065, 14568104, 18210130, 29136208, 36420260, 72840520, 145681040]

約数ペア:

[(1, 145681040), (2, 72840520), (4, 36420260), (5, 29136208), (8, 18210130), (10, 14568104), (16, 9105065), (20, 7284052), (40, 3642026), (80, 1821013)]