40168810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15877}}^1$

素因数の和:15918

約数の個数: 32

約数和(自身を含む): 82311552

約数和(自身を除く): 42142742

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 15877, 31754, 79385, 158770, 174647, 349294, 365171, 730342, 873235, 1746470, 1825855, 3651710, 4016881, 8033762, 20084405, 40168810]

約数ペア:

[(1, 40168810), (2, 20084405), (5, 8033762), (10, 4016881), (11, 3651710), (22, 1825855), (23, 1746470), (46, 873235), (55, 730342), (110, 365171), (115, 349294), (230, 174647), (253, 158770), (506, 79385), (1265, 31754), (2530, 15877)]