80657204540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15940159}}^1$

素因数の和:15940202

約数の個数: 48

約数和(自身を含む): 192812175360

約数和(自身を除く): 112154970820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 15940159, 31880318, 63760636, 79700795, 159401590, 175341749, 318803180, 350683498, 366623657, 701366996, 733247314, 876708745, 1466494628, 1753417490, 1833118285, 3506834980, 3666236570, 4032860227, 7332473140, 8065720454, 16131440908, 20164301135, 40328602270, 80657204540]

約数ペア:

[(1, 80657204540), (2, 40328602270), (4, 20164301135), (5, 16131440908), (10, 8065720454), (11, 7332473140), (20, 4032860227), (22, 3666236570), (23, 3506834980), (44, 1833118285), (46, 1753417490), (55, 1466494628), (92, 876708745), (110, 733247314), (115, 701366996), (220, 366623657), (230, 350683498), (253, 318803180), (460, 175341749), (506, 159401590), (1012, 79700795), (1265, 63760636), (2530, 31880318), (5060, 15940159)]