80128825

素因数分解:

$5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6449}}^1$

素因数の和:6537

約数の個数: 24

約数和(自身を含む): 115171200

約数和(自身を除く): 35042375

約数列:

[1, 5, 7, 25, 35, 71, 175, 355, 497, 1775, 2485, 6449, 12425, 32245, 45143, 161225, 225715, 457879, 1128575, 2289395, 3205153, 11446975, 16025765, 80128825]

約数ペア:

[(1, 80128825), (5, 16025765), (7, 11446975), (25, 3205153), (35, 2289395), (71, 1128575), (175, 457879), (355, 225715), (497, 161225), (1775, 45143), (2485, 32245), (6449, 12425)]