31327040

素因数分解:

$2^6\times 5^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:679

約数の個数: 56

約数和(自身を含む): 75102720

約数和(自身を除く): 43775680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 223, 320, 439, 446, 878, 892, 1115, 1756, 1784, 2195, 2230, 3512, 3568, 4390, 4460, 7024, 7136, 8780, 8920, 14048, 14272, 17560, 17840, 28096, 35120, 35680, 70240, 71360, 97897, 140480, 195794, 391588, 489485, 783176, 978970, 1566352, 1957940, 3132704, 3915880, 6265408, 7831760, 15663520, 31327040]

約数ペア:

[(1, 31327040), (2, 15663520), (4, 7831760), (5, 6265408), (8, 3915880), (10, 3132704), (16, 1957940), (20, 1566352), (32, 978970), (40, 783176), (64, 489485), (80, 391588), (160, 195794), (223, 140480), (320, 97897), (439, 71360), (446, 70240), (878, 35680), (892, 35120), (1115, 28096), (1756, 17840), (1784, 17560), (2195, 14272), (2230, 14048), (3512, 8920), (3568, 8780), (4390, 7136), (4460, 7024)]