80005780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137941}}^1$

素因数の和:137979

約数の個数: 24

約数和(自身を含む): 173806920

約数和(自身を除く): 93801140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 137941, 275882, 551764, 689705, 1379410, 2758820, 4000289, 8000578, 16001156, 20001445, 40002890, 80005780]

約数ペア:

[(1, 80005780), (2, 40002890), (4, 20001445), (5, 16001156), (10, 8000578), (20, 4000289), (29, 2758820), (58, 1379410), (116, 689705), (145, 551764), (290, 275882), (580, 137941)]