80461580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211741}}^1$

素因数の和:211769

約数の個数: 24

約数和(自身を含む): 177863280

約数和(自身を除く): 97401700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 211741, 423482, 846964, 1058705, 2117410, 4023079, 4234820, 8046158, 16092316, 20115395, 40230790, 80461580]

約数ペア:

[(1, 80461580), (2, 40230790), (4, 20115395), (5, 16092316), (10, 8046158), (19, 4234820), (20, 4023079), (38, 2117410), (76, 1058705), (95, 846964), (190, 423482), (380, 211741)]