203438721040

素因数分解:

$2^4\times 5^1\times {\mathrm{2542984013}}^1$

素因数の和:2542984026

約数の個数: 20

約数和(自身を含む): 472995026604

約数和(自身を除く): 269556305564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2542984013, 5085968026, 10171936052, 12714920065, 20343872104, 25429840130, 40687744208, 50859680260, 101719360520, 203438721040]

約数ペア:

[(1, 203438721040), (2, 101719360520), (4, 50859680260), (5, 40687744208), (8, 25429840130), (10, 20343872104), (16, 12714920065), (20, 10171936052), (40, 5085968026), (80, 2542984013)]