71756020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{512543}}^1$

素因数の和:512559

約数の個数: 24

約数和(自身を含む): 172214784

約数和(自身を除く): 100458764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 512543, 1025086, 2050172, 2562715, 3587801, 5125430, 7175602, 10250860, 14351204, 17939005, 35878010, 71756020]

約数ペア:

[(1, 71756020), (2, 35878010), (4, 17939005), (5, 14351204), (7, 10250860), (10, 7175602), (14, 5125430), (20, 3587801), (28, 2562715), (35, 2050172), (70, 1025086), (140, 512543)]