80631140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{108961}}^1$

素因数の和:109007

約数の個数: 24

約数和(自身を含む): 173903352

約数和(自身を除く): 93272212

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 108961, 217922, 435844, 544805, 1089610, 2179220, 4031557, 8063114, 16126228, 20157785, 40315570, 80631140]

約数ペア:

[(1, 80631140), (2, 40315570), (4, 20157785), (5, 16126228), (10, 8063114), (20, 4031557), (37, 2179220), (74, 1089610), (148, 544805), (185, 435844), (370, 217922), (740, 108961)]