31761040

素因数分解:

$2^4\times 5^1\times {\mathrm{397013}}^1$

素因数の和:397026

約数の個数: 20

約数和(自身を含む): 73844604

約数和(自身を除く): 42083564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397013, 794026, 1588052, 1985065, 3176104, 3970130, 6352208, 7940260, 15880520, 31761040]

約数ペア:

[(1, 31761040), (2, 15880520), (4, 7940260), (5, 6352208), (8, 3970130), (10, 3176104), (16, 1985065), (20, 1588052), (40, 794026), (80, 397013)]