80644588

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{20021}}^1$

素因数の和:20097

約数の個数: 24

約数和(自身を含む): 151366320

約数和(自身を除く): 70721732

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 20021, 40042, 80084, 380399, 760798, 1061113, 1521596, 2122226, 4244452, 20161147, 40322294, 80644588]

約数ペア:

[(1, 80644588), (2, 40322294), (4, 20161147), (19, 4244452), (38, 2122226), (53, 1521596), (76, 1061113), (106, 760798), (212, 380399), (1007, 80084), (2014, 40042), (4028, 20021)]