80404180

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{75853}}^1$

素因数の和:75915

約数の個数: 24

約数和(自身を含む): 172036872

約数和(自身を除く): 91632692

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 75853, 151706, 303412, 379265, 758530, 1517060, 4020209, 8040418, 16080836, 20101045, 40202090, 80404180]

約数ペア:

[(1, 80404180), (2, 40202090), (4, 20101045), (5, 16080836), (10, 8040418), (20, 4020209), (53, 1517060), (106, 758530), (212, 379265), (265, 303412), (530, 151706), (1060, 75853)]