27287420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71809}}^1$

素因数の和:71837

約数の個数: 24

約数和(自身を含む): 60320400

約数和(自身を除く): 33032980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 71809, 143618, 287236, 359045, 718090, 1364371, 1436180, 2728742, 5457484, 6821855, 13643710, 27287420]

約数ペア:

[(1, 27287420), (2, 13643710), (4, 6821855), (5, 5457484), (10, 2728742), (19, 1436180), (20, 1364371), (38, 718090), (76, 359045), (95, 287236), (190, 143618), (380, 71809)]