31621520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{56467}}^1$

素因数の和:56487

約数の個数: 40

約数和(自身を含む): 84024384

約数和(自身を除く): 52402864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 56467, 112934, 225868, 282335, 395269, 451736, 564670, 790538, 903472, 1129340, 1581076, 1976345, 2258680, 3162152, 3952690, 4517360, 6324304, 7905380, 15810760, 31621520]

約数ペア:

[(1, 31621520), (2, 15810760), (4, 7905380), (5, 6324304), (7, 4517360), (8, 3952690), (10, 3162152), (14, 2258680), (16, 1976345), (20, 1581076), (28, 1129340), (35, 903472), (40, 790538), (56, 564670), (70, 451736), (80, 395269), (112, 282335), (140, 225868), (280, 112934), (560, 56467)]