27556840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{359}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 66096000

約数和(自身を除く): 38539160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 101, 152, 190, 202, 359, 380, 404, 505, 718, 760, 808, 1010, 1436, 1795, 1919, 2020, 2872, 3590, 3838, 4040, 6821, 7180, 7676, 9595, 13642, 14360, 15352, 19190, 27284, 34105, 36259, 38380, 54568, 68210, 72518, 76760, 136420, 145036, 181295, 272840, 290072, 362590, 688921, 725180, 1377842, 1450360, 2755684, 3444605, 5511368, 6889210, 13778420, 27556840]

約数ペア:

[(1, 27556840), (2, 13778420), (4, 6889210), (5, 5511368), (8, 3444605), (10, 2755684), (19, 1450360), (20, 1377842), (38, 725180), (40, 688921), (76, 362590), (95, 290072), (101, 272840), (152, 181295), (190, 145036), (202, 136420), (359, 76760), (380, 72518), (404, 68210), (505, 54568), (718, 38380), (760, 36259), (808, 34105), (1010, 27284), (1436, 19190), (1795, 15352), (1919, 14360), (2020, 13642), (2872, 9595), (3590, 7676), (3838, 7180), (4040, 6821)]