1629080

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 3704400

約数和(自身を除く): 2075320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 293, 556, 586, 695, 1112, 1172, 1390, 1465, 2344, 2780, 2930, 5560, 5860, 11720, 40727, 81454, 162908, 203635, 325816, 407270, 814540, 1629080]

約数ペア:

[(1, 1629080), (2, 814540), (4, 407270), (5, 325816), (8, 203635), (10, 162908), (20, 81454), (40, 40727), (139, 11720), (278, 5860), (293, 5560), (556, 2930), (586, 2780), (695, 2344), (1112, 1465), (1172, 1390)]