81230740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{140053}}^1$

素因数の和:140091

約数の個数: 24

約数和(自身を含む): 176468040

約数和(自身を除く): 95237300

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 140053, 280106, 560212, 700265, 1400530, 2801060, 4061537, 8123074, 16246148, 20307685, 40615370, 81230740]

約数ペア:

[(1, 81230740), (2, 40615370), (4, 20307685), (5, 16246148), (10, 8123074), (20, 4061537), (29, 2801060), (58, 1400530), (116, 700265), (145, 560212), (290, 280106), (580, 140053)]