31369040

素因数分解:

$2^4\times 5^1\times {\mathrm{392113}}^1$

素因数の和:392126

約数の個数: 20

約数和(自身を含む): 72933204

約数和(自身を除く): 41564164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 392113, 784226, 1568452, 1960565, 3136904, 3921130, 6273808, 7842260, 15684520, 31369040]

約数ペア:

[(1, 31369040), (2, 15684520), (4, 7842260), (5, 6273808), (8, 3921130), (10, 3136904), (16, 1960565), (20, 1568452), (40, 784226), (80, 392113)]