8145400

素因数分解:

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

素因数の和:448

約数の個数: 48

約数和(自身を含む): 19139400

約数和(自身を除く): 10994000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 139, 200, 278, 293, 556, 586, 695, 1112, 1172, 1390, 1465, 2344, 2780, 2930, 3475, 5560, 5860, 6950, 7325, 11720, 13900, 14650, 27800, 29300, 40727, 58600, 81454, 162908, 203635, 325816, 407270, 814540, 1018175, 1629080, 2036350, 4072700, 8145400]

約数ペア:

[(1, 8145400), (2, 4072700), (4, 2036350), (5, 1629080), (8, 1018175), (10, 814540), (20, 407270), (25, 325816), (40, 203635), (50, 162908), (100, 81454), (139, 58600), (200, 40727), (278, 29300), (293, 27800), (556, 14650), (586, 13900), (695, 11720), (1112, 7325), (1172, 6950), (1390, 5860), (1465, 5560), (2344, 3475), (2780, 2930)]