13288520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47459}}^1$

素因数の和:47477

約数の個数: 32

約数和(自身を含む): 34171200

約数和(自身を除く): 20882680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 47459, 94918, 189836, 237295, 332213, 379672, 474590, 664426, 949180, 1328852, 1661065, 1898360, 2657704, 3322130, 6644260, 13288520]

約数ペア:

[(1, 13288520), (2, 6644260), (4, 3322130), (5, 2657704), (7, 1898360), (8, 1661065), (10, 1328852), (14, 949180), (20, 664426), (28, 474590), (35, 379672), (40, 332213), (56, 237295), (70, 189836), (140, 94918), (280, 47459)]