18921280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{8447}}^1$

素因数の和:8471

約数の個数: 56

約数和(自身を含む): 51499008

約数和(自身を除く): 32577728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 8447, 16894, 33788, 42235, 59129, 67576, 84470, 118258, 135152, 168940, 236516, 270304, 295645, 337880, 473032, 540608, 591290, 675760, 946064, 1182580, 1351520, 1892128, 2365160, 2703040, 3784256, 4730320, 9460640, 18921280]

約数ペア:

[(1, 18921280), (2, 9460640), (4, 4730320), (5, 3784256), (7, 2703040), (8, 2365160), (10, 1892128), (14, 1351520), (16, 1182580), (20, 946064), (28, 675760), (32, 591290), (35, 540608), (40, 473032), (56, 337880), (64, 295645), (70, 270304), (80, 236516), (112, 168940), (140, 135152), (160, 118258), (224, 84470), (280, 67576), (320, 59129), (448, 42235), (560, 33788), (1120, 16894), (2240, 8447)]