87548020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{625343}}^1$

素因数の和:625359

約数の個数: 24

約数和(自身を含む): 210115584

約数和(自身を除く): 122567564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 625343, 1250686, 2501372, 3126715, 4377401, 6253430, 8754802, 12506860, 17509604, 21887005, 43774010, 87548020]

約数ペア:

[(1, 87548020), (2, 43774010), (4, 21887005), (5, 17509604), (7, 12506860), (10, 8754802), (14, 6253430), (20, 4377401), (28, 3126715), (35, 2501372), (70, 1250686), (140, 625343)]