40711280

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1811}}^1$

素因数の和:2105

約数の個数: 40

約数和(自身を含む): 95043024

約数和(自身を除く): 54331744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 1124, 1405, 1811, 2248, 2810, 3622, 4496, 5620, 7244, 9055, 11240, 14488, 18110, 22480, 28976, 36220, 72440, 144880, 508891, 1017782, 2035564, 2544455, 4071128, 5088910, 8142256, 10177820, 20355640, 40711280]

約数ペア:

[(1, 40711280), (2, 20355640), (4, 10177820), (5, 8142256), (8, 5088910), (10, 4071128), (16, 2544455), (20, 2035564), (40, 1017782), (80, 508891), (281, 144880), (562, 72440), (1124, 36220), (1405, 28976), (1811, 22480), (2248, 18110), (2810, 14488), (3622, 11240), (4496, 9055), (5620, 7244)]