80118488

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{661}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 152922000

約数和(自身を除く): 72803512

約数列:

[1, 2, 4, 8, 109, 139, 218, 278, 436, 556, 661, 872, 1112, 1322, 2644, 5288, 15151, 30302, 60604, 72049, 91879, 121208, 144098, 183758, 288196, 367516, 576392, 735032, 10014811, 20029622, 40059244, 80118488]

約数ペア:

[(1, 80118488), (2, 40059244), (4, 20029622), (8, 10014811), (109, 735032), (139, 576392), (218, 367516), (278, 288196), (436, 183758), (556, 144098), (661, 121208), (872, 91879), (1112, 72049), (1322, 60604), (2644, 30302), (5288, 15151)]