51511280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{33889}}^1$

素因数の和:33921

約数の個数: 40

約数和(自身を含む): 126070800

約数和(自身を除く): 74559520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 33889, 67778, 135556, 169445, 271112, 338890, 542224, 643891, 677780, 1287782, 1355560, 2575564, 2711120, 3219455, 5151128, 6438910, 10302256, 12877820, 25755640, 51511280]

約数ペア:

[(1, 51511280), (2, 25755640), (4, 12877820), (5, 10302256), (8, 6438910), (10, 5151128), (16, 3219455), (19, 2711120), (20, 2575564), (38, 1355560), (40, 1287782), (76, 677780), (80, 643891), (95, 542224), (152, 338890), (190, 271112), (304, 169445), (380, 135556), (760, 67778), (1520, 33889)]