12530140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89501}}^1$

素因数の和:89517

約数の個数: 24

約数和(自身を含む): 30072672

約数和(自身を除く): 17542532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 89501, 179002, 358004, 447505, 626507, 895010, 1253014, 1790020, 2506028, 3132535, 6265070, 12530140]

約数ペア:

[(1, 12530140), (2, 6265070), (4, 3132535), (5, 2506028), (7, 1790020), (10, 1253014), (14, 895010), (20, 626507), (28, 447505), (35, 358004), (70, 179002), (140, 89501)]