1080678400

素因数分解:

$2^{11}\times 5^2\times {\mathrm{21107}}^1$

素因数の和:21139

約数の個数: 72

約数和(自身を含む): 2679555060

約数和(自身を除く): 1598876660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2048, 2560, 3200, 5120, 6400, 10240, 12800, 21107, 25600, 42214, 51200, 84428, 105535, 168856, 211070, 337712, 422140, 527675, 675424, 844280, 1055350, 1350848, 1688560, 2110700, 2701696, 3377120, 4221400, 5403392, 6754240, 8442800, 10806784, 13508480, 16885600, 21613568, 27016960, 33771200, 43227136, 54033920, 67542400, 108067840, 135084800, 216135680, 270169600, 540339200, 1080678400]

約数ペア:

[(1, 1080678400), (2, 540339200), (4, 270169600), (5, 216135680), (8, 135084800), (10, 108067840), (16, 67542400), (20, 54033920), (25, 43227136), (32, 33771200), (40, 27016960), (50, 21613568), (64, 16885600), (80, 13508480), (100, 10806784), (128, 8442800), (160, 6754240), (200, 5403392), (256, 4221400), (320, 3377120), (400, 2701696), (512, 2110700), (640, 1688560), (800, 1350848), (1024, 1055350), (1280, 844280), (1600, 675424), (2048, 527675), (2560, 422140), (3200, 337712), (5120, 211070), (6400, 168856), (10240, 105535), (12800, 84428), (21107, 51200), (25600, 42214)]