80305412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{20507}}^1$

素因数の和:20611

約数の個数: 24

約数和(自身を含む): 155040480

約数和(自身を除く): 74735068

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 20507, 41014, 82028, 225577, 451154, 902308, 1825123, 3650246, 7300492, 20076353, 40152706, 80305412]

約数ペア:

[(1, 80305412), (2, 40152706), (4, 20076353), (11, 7300492), (22, 3650246), (44, 1825123), (89, 902308), (178, 451154), (356, 225577), (979, 82028), (1958, 41014), (3916, 20507)]